导出单位

derived unit───[计量]导出单位

drive fits───密配合

sealed units───密封装置

derived fossils───再沉化石；[地质]次生化石，转生化石

derivationists───衍生论者

peripheral units───[计]外部设备；[计]外围设备

engine units───发动机组

medical units───医疗队

mobile units───流动设备

Thus, we have difficulties in becoming conversant with derived units.───因此, 我们有困难的单位越来越熟悉衍生.

We have milliseconds, we have microseconds we have days, weeks, hours, centuries, months all derived units.───还有单位类似毫秒、微秒，有日、周、小时、世纪、月等，这些都是导出单位。

What permits an engineer to develop familiarity with derived units is to become indirectly familiar with them.───允许一个工程师用源自的单位发展亲密的是间接地熟悉他们。

SI Derived Units with Special Names and Symbols───具有专门名称的国际制导出单位

Thus, we have difficulties in becoming conversant with derived units.