叶虫,学名(Phyllium),属动物界节肢动物门昆虫纲竹节虫目昆虫。该属主要特征:体大型,甚扁宽,多绿色,脉纹清晰,酷似树叶;头椭圆,眼半球形;触角,雄虫触角发达,侧扁,栉状或锯齿状,雌虫触角短棒状;咀嚼式口器;前胸较短,近于三角形,中胸长大于宽;前翅革质,雄虫较窄短,约如胸长,雌虫极发达,几乎盖满腹部;后翅膜质、透明雄虫发达,雌虫常退化或消失;各足腿节,有时胫节,呈叶状扩展;跗节5节,尾须一对,扁短而不分节。
伊莱克斯三叶虫等吸尘机器人,就是很好的例子。
This approach is exemplified by vacuuming robots such as the Electrolux Trilobite.
在这项研究中,观察到八种不同的三叶虫,每一种都经历了身体节数的逐渐变化。
In that study, each of eight different trilobite species was observed to undergo a gradual change in the number of segments.
三叶虫在房屋周围飞来飞去,发出超声波信号,绘制出房间的地图,以备日后清洁时使用。
The Trilobite scuttles around homes emitting ultrasound signals to create maps of rooms, which are remembered for future cleaning.
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