Thus, we have difficulties in becoming conversant with derivedunits.
因此，我们有困难的单位越来越熟悉衍生。
2
We have milliseconds, we have microseconds we have days, weeks, hours, centuries, months all derivedunits.
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。
3
The compositions incorporate at least one component that is a polymer including propylene-derivedunits and at least one component that is a styrenic block copolymer.