tetrapods

英

美

网络四足动物; 四肢动物; 四足类; 四肢类

By and large, the limbed tetrapods and near-tetrapods unearthed thus far have been sizeable beasts, around a meter long.
整体说来，目前发掘出的有肢四足动物或近四足动物，都是相当大的怪兽，体长约有一公尺。
Synthesis and Light Emission Properties of Uniform ZnO Tetrapods
均匀多角锥状纳米ZnO的制备及发光特性研究
The comparsion tests have been conducted with irregular waves and regular waves for a rubble-mound breakwater armoured with tetrapods.
对于用四脚锥体作护面的斜坡式防波堤进行了不规则波与规则波的对比试验。
As a result, tunable Pt branched structures-tripods, tetrapods, hexapods, and octopods with identical chemical environment-can be rationally synthesized in a single system by simply altering the etching strength.
因此，可调的铂的枝状结构相同化学环境下的三足、四足、六足、八足结构可以在单一体系中简单地调节刻蚀强度而被理性合成出来。