大自然的启示
<p>人类从大自然中得到了许多启示。</p><p><span word="Human">Human</span> <span word="beings">beings</span> <span word="get">get</span> <span word="a">a</span> <span word="lot">lot</span> <span word="of">of</span> <span word="inspiration">inspiration</span> <span word="from">from</span> <span word="nature">nature</span>.</p><p>例如：人们根据蛙眼的视觉原理，已研制成功一种电子蛙眼。这种电子蛙眼能像真的蛙眼那样，准确无误地识别出特定形状的物体；根据蝙蝠超声定位器的原理，人们还仿制了盲人用的“探路仪”。这种探路仪内装一个超声波发射器，盲人带着它可以发现电杆、台阶、桥上的人等。如今，有类似作用的“超声眼镜”也已制成……</p><p><span word="For">For</span> <span word="example">example</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="vision">vision</span> <span word="principle">principle</span> <span word="of">of</span> <span word="frog">frog</span> <span word="eye">eye</span>, <span word="an">an</span> <span word="electronic">electronic</span> <span word="frog">frog</span> <span word="eye">eye</span> <span word="has">has</span> <span word="been">been</span> <span word="developed">developed</span>. <span word="This">This</span> <span word="kind">kind</span> <span word="of">of</span> <span word="electronic">electronic</span> <span word="frog">frog</span> <span word="eye">eye</span> <span word="can">can</span> <span word="accurately">accurately</span> <span word="recognize">recognize</span> <span word="objects">objects</span> <span word="with">with</span> <span word="specific">specific</span> <span word="shapes">shapes</span> <span word="like">like</span> <span word="the">the</span> <span word="real">real</span> <span word="frog">frog</span> <span word="eye">eye</span>; <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="principle">principle</span> <span word="of">of</span> <span word="bat">bat</span> <span word="ultrasonic">ultrasonic</span> <span word="locator">locator</span>, <span word="people">people</span> <span word="also">also</span> <span word="imitate">imitate</span> <span word="the">the</span> "<span word="Pathfinder">Pathfinder</span>" <span word="used">used</span> <span word="by">by</span> <span word="blind">blind</span> <span word="people">people</span>. <span word="The">The</span> <span word="road">road</span> <span word="detector">detector</span> <span word="is">is</span> <span word="equipped">equipped</span> <span word="with">with</span> <span word="an">an</span> <span word="ultrasonic">ultrasonic</span> <span word="transmitter">transmitter</span>, <span word="which">which</span> <span word="can">can</span> <span word="be">be</span> <span word="used">used</span> <span word="by">by</span> <span word="blind">blind</span> <span word="people">people</span> <span word="to">to</span> <span word="find">find</span> <span word="people">people</span> <span word="on">on</span> <span word="poles">poles</span>, <span word="steps">steps</span>, <span word="bridges">bridges</span>, <span word="etc">etc</span>. <span word="Today">Today</span>, <span word="ultrasound">ultrasound</span> <span word="glasses">glasses</span> <span word="with">with</span> <span word="similar">similar</span> <span word="functions">functions</span> <span word="have">have</span> <span word="been">been</span> <span word="made">made</span></p><p>人类的发明——来自动物的灵感船和潜艇来自人们对鱼类和海豚的模仿。科学家根据火野猪的鼻子测毒的奇特本领制成了世界上第一批防毒面具。火箭升空利用的是水母、墨鱼反冲原理。科研人员通过研究变色龙的变色本领，为部队研制出了不少军事伪装装备。科学家研究青蛙的眼睛，发明了电子蛙眼。美国空军通过毒蛇的“热眼”功能，研究开发出了微型热传感器。人类还利用蛙跳的原理设计了蛤蟆夯（<span word="h">h</span>ā<span word="ng">ng</span>）。人类模仿警犬的高灵敏嗅觉制成了用于侦缉的“电子警犬”。</p>
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