How can you reliably measure and compare between components or projects?

您如何能够可靠地度量并比较组件或项目？

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Finns don't believe you can reliably measure the essence of learning.

芬兰人不相信有人可以可靠衡量学习的本质。

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A light beam shot through a blob of rubidium atoms can directly and reliably measure the size and orientation of a magnetic field, a team of physicists reports in the Sept. 13 Physical Review a.

9月13日，据一个物理学家小组在物理学评测A中的报道，一束光照射过一团铷原子就可以直接可靠地测量出一个磁场的大小和方向。

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The study did point out that since assault weapons were used no more than "8% of gun crimes, even before the ban, " its impact was likely too small to reliably measure.

CNN: Obama's gun violence measures: Would they work?