With multiple files, grep with the -c option returns a separate count for each file, one on each line, whereas a pipe to wc gives a total count for all files combined.

对于多个文件，带- c选项的grep返回每个文件的单独计数，每行一个计数，而针对wc的管道则提供所有文件的组合总计数。

youdao

The total biomass of C. smyrnioides seedling was 1/3 to 1/8 of A. sylvestri, that meant it was a species with slowly growing speed during junior phase relative to A.

明党参生长速率明显小于峨参，总生物量约为峨参的1/3~1/8，相对于峨参而言明党参是一个在幼苗阶段生长缓慢的物种。

youdao

Weight loss, good flower ratio, Vitamin C, total sugar and RI were measured during storage.

贮藏期间对黄花菜的失重率、好花率、V-c含量、总糖含量和呼吸强度进行了测定。

youdao

So the total quantity produced in the market--the total quantity will be 2a - c over 3b.

这样整个行业的总产出就是,2/3b

耶鲁公开课 - 博弈论课程节选

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