抽样单位 [数] sampling unit ; sample unit ; unit of sampling
取样单位 sampling unit ; sample unit
初步抽样单位 primary sampling unit
二段抽样单位 subsampling unit ; two-stage sampling unit
抽样单位选择 choice of sampling unit
二级抽样单位 second stage units ; SSUS Secondary Sampling Units ; SSU SecondStageUnits ; ST SecondarySamplingUnits
送样单位 Send kind units ; FROM ; Sample delivery unit ; send sample units
初级抽样单位 PSUS PrimarySamplingUnits ; primary sampling units ; primarysampleunit ; PSUs
成组抽样单位 [计] collective sampling unit
最后取样单位 ultimate sampling unit
事实上，生产力的概念本身就是时钟的副产品：一旦工作表现与统一的时间单位可以联系起来，工作就永远都不一样了。
Indeed, the very notion of productivity is a by-product of the clock: once one can relate performance to uniform time units, work is never the same.
正如马尔萨斯学者认为农田的产量是固定的想法是错误的一样，悲观者认为单位频谱只能承载一定数量的电话用户的想法也是错误的。
Just as Malthusians were wrong to assume that the productivity of crop-land was fixed, so pessimists are wrong to assume that a unit of spectrum can support only so many subscribers.
逻辑单位象数字代码一样，它自身就是功能单位，[但又]不仅有功能单位的意义。
Logic units are functions themselves and not mere values for functions, as digital bits are.
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