One of the main USES of physics engines (in particular, the real-time and low-precision variety) is in the development of game run times.

物理引擎(尤其是实时和低精度的)的一个重要应用是游戏运行时的开发。

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When a cell has high levels of testosterone, RORA levels run low, which affects every gene that RORA is supposed to turn on.

当一个细胞的睾酮水平较高时，RORA基因水平就低，这就影响到RORA基因应该打开的每一个基因。

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And because Internet startups have become so cheap to run, the threshold of profitability can be trivially low.

因为互联网初创公司的启动成本已经非常低了，盈利点可以很容易突破。

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They burned the captured supplies. Then they moved a few kilometers away to a long, low hill just northwest of the Bull Run battleground, where southern forces defeated a northern army a year before.

VOA: special.2009.09.24

These low mountains are cut by some valleys that sort of run east-west ; you will see one there, the Valley of Jezreel, in particular; that was a particularly fertile valley.

那些矮小的山丘被东西走向的山谷截断,你在这里会看到一个耶斯列山谷;,这是一个富饶肥沃的山谷。

耶鲁公开课 - 旧约导论课程节选

In many ways, the labor spat is a vestige of the old NFL, which was run as a collective of low-margin family-owned business.

WSJ: NFL Blindsided by Ref Furor

Marseille scored against the run of play when Valbuena planted a low shot into the corner of the net from just outside the penalty area.

NPR: Liverpool Routs Newcastle 6-0 Without Suarez

The firm is well run only by the low standards of the auction business, and there is room for further efficiency improvements.

ECONOMIST: French auctioneers