“被囊动物”的概念、定义、翻译、参考文献-科学参考

单词	被囊动物
释义	被囊动物 Encyclopedia 理学被囊动物释 tunicata 被囊动物一类滤食性海洋动物，因其体表披有一层植物性多糖纤维素（polysaccharides related to cellulose）的被囊（tunic）而得名。由于幼体尾部具有脊索（notochord）结构，又称尾索动物。
随便看	lower plant lower Privalov operator lower process capability index lower pure value lower quartile lower radical lower radical class lower relaxation method lower Riemann integral Lower Saxony lower semi continuity lower semi-continuity lower semicontinuity lower semi continuous lower semi-continuous lower semicontinuous lower semicontinuous decomposition lower semicontinuous equivalence lower semicontinuous function lower semi continuous hull lower semi-continuous hull lower semicontinuous hull lower semicontinuous mapping lower semicontinuous partition lower semicontinuous regularization

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。