However, there are still many problems, such as the low level of standardization of product manufacturing, the good and the bad are intermingled in product quality and so on.
但是,还存在很多问题,比如产品制造标准化程度低,产品质量良莠不齐等。
A standard should have different levels, meaning that not all applications can meet all goals of such a standard, but they should still work together, just on a lower level of standardization.
一个标准应当有不同层次,意即并非所有的应用程序都能达到某个标准的所有要求,但尽管如此它们应当仍能兼容并作,仅仅是在降低了层次的标准上运作而已。
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