“海洋哺乳动物”的概念、定义、翻译、参考文献-科学参考

单词	海洋哺乳动物
释义	海洋哺乳动物 Encyclopedia 理学﹝哺乳纲﹞释 marine mammals海洋哺乳动物海洋中胎生哺乳、肺呼吸、恒体温、流线型且前肢特化为鳍状的哺乳动物。
随便看	direct current prospecting instrument direct current sputtering direct current tachogenerator direct current transmission direct-current transmitting methods of working face direct current vohage gradient direct current，DC direct cutter direct cutting direct decomposition direct defense direct democracy and indirect democracy direct derivation direct design method direct-detection optical receiver direct detector direct development direct digital control direct digital control, DDC direct digital control systems direct dimethyl ether fuel cell direct disaster of earthquake direct discharge sewage direct distribution coefficient direct division

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。