“frequency step”的概念、定义、翻译、参考文献-科学参考

单词	frequency step
释义	frequency step 频率阶跃
随便看	test-tube support test tube without rim test tube with rim test tube with side tube test-type launcher testudinarious Testudinidae test unit test valve test vehicle test wait test weaving test wedge test weld test well test wire test word test work test working test zone tetacycline glucosamine tetanase tetanic tetanic contraction tetaniccontraction of uterus

科学参考收录了1248194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。