the quality of的意思是什么

1.Structure adjustment in quality of business managers。
从系统论看企业管理者素质结构的调整。

2.The standard kilogram is used as a measure of mass。

标准千克是测量质量的量度。

3.With the progressing steps of the world economy integration, especially after china joined in wto, competition in qualities of people becomes more serious。

随着世界经济一体化进程的加快，特别是中国加入wto以后，竞争，尤其是人才素质的竞争将更加激烈。

4.The quality of the product is very good 。
这产品的质量很好。