As recently as 1965, the Aral Sea received about 50 cubic kilometers of fresh water per year-a number that fell to zero by the early 1980s.

在1965年，每年大约有50立方公里淡水流入咸海，到20世纪80年代却几乎为零。

youdao

Radon concentration in air is measured by the number of transformations per second in a cubic metre of air (Bq/m3)].

空气中氡的浓度按1立方米的空气中每秒转换的数量（Bq/m3）测定] 。

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The approximation of isotropy was considered in simple cubic which makes the mathematics be simple, but the result is only described by number which doesn't reflect essence in physic.

简立方晶体中的计算对晶体作了各向同性近似，虽然各向同性数学计算简单，并且可以得到一些有用的结果，但得到的结果仅仅数值表达式，不能反映其物理本质。

youdao

If you get--They really count the number of cubic centimeters of saliva.

图标记录了分泌出的唾液量。

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First, he analysed the samples to find their viral load (the number of virus particles per cubic centimetre) and the subtype of virus involved.

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So this means if production began at 5mmcf (million cubic feet) per day that by the end of year one that number may be reduced to 500 mcf to 750 mcf per day.

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