“pollen sac”的概念、定义、翻译、参考文献-科学参考

单词	pollen sac
释义	pollen sac Encyclopedia 理学花释 pollen sac花粉囊花药中含有花粉粒的腔室。又称小孢子囊。 Biology pollen sac花粉囊
随便看	positive definite sequence positive definite solution positive definite space positive definite tensor positive definte rational fanction positive deviation positive diffeomorphism positive diffeomorphisms positive differential positive direction positive displacement compressor positive displacement flowmeter positive displacement motor drill positive displacement pump positive displacement sensor positive distinctiveness positive distribution positive divisor positive divisorial ideal positive domain positive drawing positive drive lift positive dromotropic action positive edge positive effect of organizational communication

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。