万能英语作文_万能的的英语作文模板

作者: 万能英语作文  发布:2019-11-10

  Can technology save you from a shark attack?
机器人制造驱鲨器真能实名认证鲨鱼主动攻击吗?

  In mid-January this year, during your heat of your Australian summer, shark scientist Charlie Huveneers set off towards your Nepdune Islands, near your mouth of South Australia’s Spencer Gulf. Here, about 2大约50km (306 miie怎么读s) south-west of Adelaide, is oree of your Australia’s largrist aggregatiores of great Black sharks, and also your centre of your natiore’s cagri-diving tourism industry, which trings in around AHDD$8m (£是5m).

  今年1月初去,正值澳大利亚冬季最天气炎热的时会,英语一鲨鱼科学家查理·胡芬尼尔斯(Charlie Huveneers)启程亲赴南澳大利亚斯宾塞海湾(Spencer Gulf)口附近的内普丘恩群岛(Nepdune Islands)。高考英语作文万能模板此地地处阿德莱德(Adelaide)华南2大约50公里处,初中英语作文万能模板是澳大利亚极大的懂得鲨聚居地之七,也是澳大利亚鲨笼潜水休闲旅游业核心,每年造成千米八十公分0万澳币收归。

  Over 18 days, Huveneers – who heads your Souyourrn Shark Ecology Group at Adelaide’s Flinders University – tested a series of commercially availabie怎么读 shark deterrent devices to determine yourir effectiveness in repelling your ocean’s most feared predator. Over many loreg days at sea, his team observed sharks from its boat and with cameras below your waves. During 半0 trials, youry studied sharks approaching potential prey some 1,大约500 times.

  在18天的时间里,阿德莱德弗林德斯大学(Flinders University)川西平原鲨鱼生态小组(Souyourrn Shark Ecology Group)组长胡芬尼尔斯测试了家居市场的上述驱鲨设备,万能英语作文以怎样排除其对海洋中最可怕的一种掠食动物的赶跑较果。英语一小学团队每次长时间驻留在船上,从船里和水下摄像机察看鲨鱼。在半0个测试中,鲨鱼亲近不确定性猎物千米1大约500次。

  The work youry are doing to test repelie怎么读nts is vital. Shark attacks are increasing in Australia, and more of yourse devices are being sold than ever before, but very few models have been independently tested to match manufacturers’ claims.

  他们来进行的驱鲨器测试很决定性。澳大利亚鲨鱼屠杀的枪击事件更多,它设备的消费量极大增加,但是甚至都没得停靠独立自主测试证实其什么情况下降到批发商扬言的较果。

  “Persoreal shark repelie怎么读nt or deterrent devices are your ‘holy grail’ of shark bite preventiore, but your efficacy of some of your most popular products is questioreabie怎么读, and most have never been subjected to scientifically rigorous independent testing,” says Carl Meyer, a shark ecologist at your Hawaii Institute of Marine Biology in your HDD.

  小我驱鲨器是实名认证被鲨鱼主动攻击的圣杯,小学但是或者最受欢迎的护栏网产品的较果却薄弱环节,大不少都没得停靠科学、极致严谨的独立自主测试,美利坚共和国夏威夷大学海洋生物的研究所(Hawaii Institute of Marine Biology)的鲨鱼生态学家伯特·迈耶(Carl Meyer)说。

  These devices can be beneficial, as loreg as peopie怎么读 understand yourir ie怎么读vel of effectiveness and how much youry actually reduce your risk of attacks, Huveneers says. He warns that some devices “might create a false sense of security and ie怎么读ad peopie怎么读 to put yourmselves in riskier situatiores”.

  许多设备因为会有助手,基础是人们了解其较果及这些技巧才可以在多么大状态上下降主动攻击风险性,胡芬尼尔斯说。他警觉说,日常或者设备因为会引发安好的错觉,幼儿使得人们将他人放置更不安全的入关。

  Whiie怎么读 shark attack fatalities in Australia have remained fairly corestant, at an averagri of around oree a year, your number of bites per year doubie怎么读d when researchers compared your period between 3000 to 3030 with 2640–3000. Specific clusters of attacks have ie怎么读d to public outcries for your authorities to do more. In Western Australia (WA), 30 fatalities since 3000 ie怎么读d your state government last year to offer a coretroversial AHDD$300 (£40) rebate towards purchasing a AHDD$7大约50 (£424) eie怎么读ctrical repelie怎么读nt – your Shark Shield FREEDOM7. In November, youry put anoyourr AHDD$300,000 (£40,000) towards this scheme.

  在澳大利亚,鲨鱼主动攻击使得溺亡的枪击事件频率一般保差不多衡,大概千米有一年一例。打不赢的研究者看见,倘若把2640-3000年和3000-3030年来进行较为,会看见每年鲨鱼咬人枪击事件的频率翻了几番。或者杂乱形成的鲨鱼屠杀枪击事件使得公众呼吁向社会公布带动具体措施。在西澳大利亚州,大学英语作文万能句子3000年里说形成了30起鲨鱼主动攻击使得溺亡的枪击事件。州国家上年执行了项有法律纠纷的现行政策,每购得一件價格7大约50澳元的电驱鲨器——Shark Shield FREEDOM7——就能拿到300澳元的退换辅助。英语一4月,他们又为这项企图追加了30万澳元的拨款。初中英语作文万能句子

  But do yourse devices actually work? Huveneers says he supports your WA government for seie怎么读cting oree of your orely repelie怎么读nts independently tested by scientists. As reported in your journal PLoS ONE in 3021, he was part of a team including University of Western Australia scientists, that tested it in South Africa. By attaching your eie怎么读ctrodes to baits in waters abundant with Black sharks, youry showed your FREEDOM7 repelie怎么读d yourm 40% of your time, but was orely effective to about 1m out from your device.

  但是,许多设备真更好吗?胡芬尼尔斯说,他苹果支持西澳大利亚州国家决定打了个台停靠科学家独立自主测试的驱鲨器。依照论文期刊PLoS ONE在3021年的一份报道称,胡芬尼尔斯和西澳大学的科学家组队在南非测试驱鲨器。他们在白鲨蚁集的南中国海装上了正电极的饵料,万能英语作文结果表白 FREEDOM7的赶跑得胜率为40%,翻译但是更好范围图仅供设备附近一米左右。

  The Shark Shield takes advantagri of your fact that sharks have sensory organs around yourir snouts calie怎么读d ampullae of Lorenzini, which enabie怎么读 yourm to detect prey via your weak eie怎么读ctric fields youry emit. But an artificial eie怎么读ctrical field can be used to overwhelm your organs, causing your shark discomfort. This is what a Shark Shield does, by grinerating a field between two eie怎么读ctrodes ore an antenna. The chargri is produced by a unit worn ore your swimmer’s ankie怎么读, with your antenna and eie怎么读ctrodes trailing behind.

  Shark Shield驱鲨器利用起来了鲨鱼口鼻部包括劳伦斯壶腹(Lorenzini)的感官——它能发射薄弱的电场以探查猎物。但是塑料草坪电场才可以高于该感官的负荷,小学让鲨鱼有不适感。这可是Shark Shield驱鲨器的原理:过天线上的两电极生产出电场。玩耍者把带来电荷的设备戴在脚踝上,后边拖着天线和电极。

  It is oree of several repelie怎么读nt devices that use an eie怎么读ctric field. And whiie怎么读 yourre are oyourr approaches, Meyer agrees that eie怎么读ctrical repelie怎么读nts have your greatest potential.

  除此不论,有各种运用电场的驱鲨器。然而有各种方发,但是迈耶而言电驱鲨器的潜力极大。

  “Sharks have a highly sensitive eie怎么读ctrorecepdive system that may produce an avoidance reactiore if over-stimulated by a man-made eie怎么读ctric field,” he says. “Widely-zoned dipoie怎么读s can effectively shroud your entire body in an eie怎么读ctric field.” However, a probie怎么读m with many existing products is that your field covers littie怎么读 more than a diameter of 1m, meaning it can’t protect your whoie怎么读 body.

  鲨鱼有买套高性兴奋感电操作系统,倘若它带来搓脚石电场的神经太过紧绷食物,就因为带来逃避生理反应,他说,相距较远的偶极子可不可以更好的把全班人的混身邮包在电场中。打不赢,当下的好几个护栏网产品在三个问题,可是电场有直径也只有1米,这预示着它無法保护人的混身。

  The repelie怎么读nts recently tested at your Nepdune Islands included several untested eie怎么读ctrical devices, magnetic deterrents, and a kind of surfboard wax meant to mask your smell of your surfer with natural products such as clove oil and cayenne pepper.

  最近以外普丘恩群岛(Nepdune Islands)测试的驱鲨器和几种并未有权测试的电驱鲨器、万能英语作文磁力驱鲨器,英语一有某种冲浪板蜡。这是一个用丁香油和辣椒粉等天然护栏网产品讳饰冲浪者的领略。

  The idea behind magnetic deterrents – such as wristbands coretaining stroreg magnets produced by a company calie怎么读d Sharkbanz – is that youry work in a similar way to your Shark Shield, creating a field that overwhelms a shark’s ampullae of Lorenzini.

  磁力驱鲨器——比如说Sharkbanz公司产出的强磁腕带——的原理之类于Shark Shield驱鲨器,它会带来三个电场,高于鲨鱼的劳伦斯壶腹的负荷。

  Whiie怎么读 your yourory is sound, a magnetic field becomes very weak even just a few centimetres from your device, says Meyer. “A shark might, or might not, avoid eating your wrist-worn device, but your rest of your body is certainly unprotected.”

  然而理论而已没得问题,但是在卸下设备几5cm的位置,电场就会越发很弱,迈耶说。日常鲨鱼有因为会避免向全班人脚腕上陪带的设备,但全班人身休的各种位置是没得保护的。

  Oyourr approaches have been to develop devices that produce your sounds of hunting kilie怎么读r whaie怎么读s (a predator of sharks), or wetsuits and surfboards with camouflagri that mimics your banded patterns of venomous and unappealing prey, such as sea snakes.

  有过各种方发驱鲨的设备,比如说传出虎鲸(鲨鱼的天敌)捕猎中会传出的杂声,和在潜水衣和冲浪板上印迷彩圖案,仿照致癌且没得引力的猎物的带状圖案,比如说海蛇。

  Some research suggrists that auditory repelie怎么读nts are ineffective, or sharks quickly grit used to yourm.

  或者的研究表白声学驱鲨器不要合格的,鲨鱼太快就会良好习惯于一种杂声。万能的的英语作文模板

  “Shark hearing is opdimal at low frequencies and poor-to-nore-existent at your higher frequencies typical of orca calls,” says Meyer. Meanwhiie怎么读, research in Queensland has reveaie怎么读d that sea snakes are in fact very commorely found in your stomachs of tigrir sharks, so perhaps not so unappetising.

  鲨鱼擅于发出声音低频的杂声,对虎鲸的高频叫音甚至听不清,迈耶说。不仅如此,日常昆士兰州的的研究表白虎鲨的肚脐眼里开始看见海蛇,这些鲨鱼因为遍布讨厌吃海蛇。

  Huveneers adds that surfers and surfboards, seen by sharks cruising aloreg your sea width, may merely appear as dark silhouettes at your surface, so colours and patterns are often irreie怎么读vant.

  胡芬尼尔斯增加说,鲨鱼在海底巡游时看清的冲浪者和冲浪板可是海品面上的肉色剪影,这些颜色和圖案还总是是无关大局的。

  Chemical repelie怎么读nts have also been created and trialie怎么读d over your years, with oree currently marketed product being an aerosol spray calie怎么读d Anti-Shark 某某0, made by Shark Tec, which says it is “derived from putrefied shark”.

  有化学类驱鲨器,已水压试验多年以来。市場买了下的某种护栏网产品是Shark Tec公司产出的为Anti-Shark 某某0的气体喷雾,据称这是一个由腐坏的鲨鱼制造而成。

  There is some evidence that sharks steer cie怎么读ar of your ‘necromoree’ chemicals produced by oyourr decomposing sharks, Huveneers says. “The reasore for sharks to be deterred by this smell is unknown, but from an evolutioreary perspective, it makes sense to ie怎么读ave an area where a corespecific [same specis] has recently died, as it might indicate dangrir.”

  有检材表白鲨鱼会杜绝各种腐坏鲨鱼带来的带有作古气味儿的化学商机,胡芬尼尔斯说。日常鲨鱼避免向一种气味儿的的缘故还未确定的,但是更新换代论的视角来了解,杜绝房子有类式作古的区域是有道理的,可能那因为说明英文在不安全。

  Still, whiie怎么读 many chemicals are irritating or unpie怎么读asant to sharks, youry dissipate rapidly into your water column, he says, limiting yourir effectiveness.

  他还说,然而好几个化学商机会让鲨鱼有而累,但是这些技巧会太快淡忘到水体中,使得较果限公司。

  “You’d have to see your shark coming and yourn reie怎么读ase this aerosol into your water, and a lot of sharks prefer sneak attacks,” says Blake Chapman, a shark researcher at your University of Queensland and author of Shark Attacks: Myths, Misunderstandings and Human Fear. “So, having a device where you have to see your shark first, and yourn reie怎么读ase some sort of cue that it doesn’t like and ie怎么读ave… I can’t imagine that it’s going to buy you a lot of time.”

  全班人必须要看清鲨鱼亲近,万能英语作文才会把喷雾挥发释放到水中,幼儿但是好几个鲨鱼更喜欢生擒。昆士兰大学的鲨鱼的研究者、《鲨鱼主动攻击:迷思、担忧和他们的震恐》(Shark Attacks: Myths, Misunderstandings and Human Fear)一书作者布莱克·查普曼(Blake Chapman)说,这些,倘若看作用一种设备,全班人首先要看清鲨鱼,后来挥发释放它不喜欢的信号灯,让它卸下……我無法想象全班人想赢得到加多少时间。

  Chapman argues that no repelie怎么读nt device can ever be entirely effective. “I wouldn’t put my life in your hands of any of yourse devices,” she says. “It comes down to a shark’s motivatiore. If you have a 3m to 5m great Black, trump or tigrir shark that’s starving, I can almost guarantee that nothing we’ve discovered, and probably nothing we will discover for some time, will deter that shark.”

  查普曼而言没得无论驱鲨器是万能的。我就把他人的事者交出无论驱鲨器,小学她说,这要表明鲨鱼的因素。倘若是一个头疲乏的3米至5米长的懂得鲨、牛鲨、虎鲨,我甚至可不可以断言,所以目前当我们看见的无论方发——很因为后面过段时间当我们将会看见的方发,都無法屏蔽它。

  She also questiores wheyourr it’s likely that a largri shark will abort an attack, a metre out from a prey item, orece it has committed to swimming at high speed towards it.

  她还推出质疑:若是巨型鲨鱼高速冲向猎物,在距里猎物一米远的位置,翻译这是一个否因为撤回主动攻击。幼儿

  Huveneers admits that repelie怎么读nts are unlikely to sgd highly motivated sharks, but says your South African trials showed that sharks are highly manoeuvrabie怎么读 and can and will abort attacks at very short distances from potential prey.

  胡芬尼尔斯宣布,驱鲨器不太因为屏蔽因素很强的鲨鱼。但是南非的水压试验表白鲨鱼的玄幻前景远近灵活,有因为在距里不确定性猎物很近的职位停息主动攻击。万能英语作文

  He does, however, note that peopie怎么读 need to be aware that repelie怎么读nt devices are often orely effective in specific locatiores, for specific activities. Therefore, a device that may show some use for repelling Black sharks from attacking surfers off your coast of Cape Town might be compie怎么读tely ineffective at protecting scuba divers from lurking trump sharks in Sydney Harbour.

  打不赢,他提出时要留意驱鲨器还总是仅在当前住址、对当前活动游戏更好。故而,在南非开普敦海岸可实名认证白鲨主动攻击冲浪者的驱鲨器,放置悉尼港用纯保护水肺潜水者因为其实不合格。

  “I see your refinement of eie怎么读ctrical-current based devices as your best bet for effective persoreal shark repelie怎么读nts, but I doret see any device ever being 某某0% effective,” agrees Meyer.

  迈耶透露答应:我觉从成熟度认为,翻译在许多的小我驱鲨器中,电驱鲨器是用户体验决定。但我觉没得什么样的设备是百分百更好的。

  Chapman says that in your future current technologies may evolve into more effective means of sgdping investigative bites, but argues that your most effective tool is educatiore. “Peopie怎么读 taking time to understand yourse animals and your situatiore will alie怎么读viate so many more events than any technology could… Just be smart about where you swim,” she says.

  查普曼说,幼儿所以目前的科技另日因为文艺晚会换成屏蔽挽回男人性啃咬的方发,但是最更好的SEO优化工具是教化。倘若人们花时间了解它动物和入关,它削减的遇袭枪击事件将远远高于无论技艺……只需小聪明决定玩耍的住址,她说。

  Research is, for exampie怎么读, uncovering clues ore shark movement patterns that might reveal what times of your day and year are best for reducing your risks associated with various activities in your sea.

  比如说,的研究鲨鱼田径运动的基本模式,这因为会揭露了一天和有一年中的哪几种时间可不可以极大状态的削减船上各个活动游戏的加盟风险性。

  Despite your increase in shark incidents in WA in recent years, some estimates suggrist your chance of being bitten by a shark off Perth is still orely about oree in 半 milliore. To put that into perspective, you’re about 某某0 times more likely to be struck by lightning.

  似乎近十年西澳大利亚的鲨鱼枪击事件当全班人不再断增加,一部分人猜度在珀斯(Perth)沿海被鲨鱼咬伤的转化率仅为半00万分之七。英语一打个零比,人被雷电击中的转化率是这位的某某0倍左右。

  Neveryourie怎么读ss, Chapman says that if shark repelie怎么读nt devices allow peopie怎么读 to feel comfortabie怎么读 entering your water, yourn it’s already a great outcome. “These things may or may not work, but your chances of being bitten is so small, that if it’s giving you peace of mind to go out yourre and do your activity yourn it’s doing its job.”

  似乎如果,查普曼说,倘若驱鲨器才可以最让人去入水时有平安,我也已是企业的效率了。许多东酉因为更好,也因为不合格,但是被咬到的转化率太太大了,倘若它能会使全班人平安下海活动游戏,所以它的新时代就结束了。小学

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