这些敏捷的掠夺者们的牙齿在大型猎物面前就像匕首一样显得太小，但是猫科动物强壮的颚能够环锁住猎物的喉咙直至受害者停止呼吸。
The teeth of these fleet-footed predators are too small to use as daggers for large kill, but the cats have strong jaws that lock around the throat of prey until the victim stops breathing.
多种相关的细长软体小动物，特别是环虫类、毛颚类、线虫类和扁形虫类；也包括许多昆虫的幼虫。
Any of numerous relatively small elongated soft-bodied animals especially of the phyla annelida and chaetognatha and nematoda and nemertea and platyhelminthes; also many insect larvae.
采用封闭矢量环法推导建立含有高副的变长连杆的外动颚式破碎机构的数学模型。
The math model on out-moving jaw crusher mechanism of changing length link with high-joint is established by using closing-vector-circle method.
采用封闭矢量环法推导建立含有高副的变长连杆的外动颚式破碎机构的数学模型。
The math model on out-moving jaw crusher mechanism of changing length link with high-joint is established by using closing-vector-circle method.
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