standard unit

基本解释

The standard unit of cloth measurement, equal to 36 inches (0.914 meter).
布的度量标准单位，等于36英寸（0.914米）
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In the last decade, Apple made the 99-cent download the standard unit of music sales.
在过去的十年中，Apple使得99美分下载一首歌成了音乐的销售标准。
The standard unit is constructed of tubular steel with a painted finish and solid clear vinyl curtain that allows a continuous downflow purge of Unidirectional Flow airflow.
标准件是由油漆罩面的钢管和结实的乙烯胶帘构成，这样就能够形成连续的下流清洗单向流。（其他洁净室类也可用。）
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As most readers doubtless know, H beams are the standard unit of steel used in construction.
ECONOMIST: Buttonwood
Different cities got assigned the same ad but in differing volumes of gross ratings points, the standard unit for measuring advertising saturation.
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So while growth in the Fed's monetary base is overrated when it comes to currency values and inflation (base growth was the same in the '70s as it was in the '80s), the failure of the Nixon Treasury to clearly state its commitment to the Bretton Woods gold standard led to a falling unit of account.
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