“spontaneous mutation”的概念、定义、翻译、参考文献-科学参考

单词	spontaneous mutation
释义	spontaneous mutation [spän`tā·nē·ǝs myü`tā·shǝn] ^GENETICS A mutation that occurs naturally.
随便看	beam-indexing tube beam lead beam lobe switching beam magnet beam parametric amplifier beam pattern beam pocket beam power tube beam pumping unit beam recording beam resonator beam rider beam-rider guidance beam riding beam sea beam splice beam splitter beam splitting beam spread Beams servoed rotational method beam steering beam storage beam switching beam-switching tube beam test

科学参考收录了103327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。