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The spin of the electron was not established at that time.

电子自旋的概念在当时还没有建立起来。

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So far, manufacturers have not established a universal labeling system to indicate the production materials and efficiency of every product.

截至目前，制造商并未对每种产品都建立起标志其所用材料和运行效能的通用体系。

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Doctor Johnson established a tennis camp for black children who were not permitted to play on tennis courts for whites.

VOA: special.2010.02.07

But in any event, this suggests that these settlements were established peacefully, not by a group coming in and conquering.

但无论如何也显示了,这些居住所是被和平地建成的，而不是由一个部族进入然后攻占。

耶鲁公开课 - 旧约导论课程节选

All right. So jumping in to having established that, yes, particles have wave-like behavior, even though no, hey're not actually photons, we can't use that equation.

好的，我们已经承认了，粒子有波动性，虽然它们不是光子，我们不能用这个方程。

麻省理工公开课 - 化学原理课程节选

Most people forget that the SPR was not established in order to stabilize prices during supply disruptions.

FORBES: Should We Use The Strategic Petroleum Reserve?

Too much room exists for fee evasion and a truly competitive payment landscape was not established.

FORBES: Why You Will Soon Cut Up Your Debit Card

Furthermore, the SEC has not established any rigorous requirements that these codes must meet.

FORBES: Mutual Fund Personal Trading Illegalities: Letter to Barry Barbash, Director of Division of Investment Management, Securities and Exchange Commission (July 1, 1998)