national standards

常见例句

But the British already have not only national standards but also a national curriculum and national exams.
但是英国不仅已经制定了国家标准，而且还安排了全国总课程和考试程序。
Where, in the absence of national Standards, technical requirements for a certain trade need to be unified, trade standards may be formulated.
对没有国家标准而又需要在全国某个行业范围内统一的技术要求，可以制定行业标准。
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Instead, national authorities can choose whether to use them when considering what standards to adopt for their countries and to ensure compatibility of national standards across borders.
相反，国家当局在考虑为本国采用何种标准时并为了确保国家标准跨国界的相容性，可选择是否予以采用。

Their members are often elected. But some Americans say the lack of national standards is wrong in a competitive global economy.
But critics of national standards say the idea goes against one of America's oldest traditions -- local control of education.
Ms.Blythe says national standards could improve the results of American students on international science tests.

Germany did too, and was so shocked that it brought in national standards and exams.
ECONOMIST: The long, slow effort to set standards
For instance, only Chinese-based technology can be used in national standards and in government purchased products.
FORBES: Can China Eclipse the U.S. on Innovation?
The Bush Administration realized that creating national standards was critical to shoring up the whole system.
FORBES: We Don't Need a National ID Card