In most systems, there are two loop triggers for each lane of traffic.

多数系统中，交通的每条车道有两个环触发器。

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Experiments show that the two-loop Servo System has good performances in speed and position control.

实验表明：双闭环的永磁数字交流伺服系统拥有很高的速度和位置控制性能。

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Using this relation, we calculate the two-loop Debye mass from relevant pressures at finite temperature and chemical potential.

利用这个关系以及有限温度与有限化学势下的相关压强计算了德拜质量的双圈修正。

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And there is a self-enforcing loop between the two, where helping others helps ourselves; and helping ourselves, in turn, helps others.

两者间有自我实施的循环，帮助他人就是帮助自己;,帮助自己继而帮助他人。

哈佛公开课 - 幸福课课程节选

By two, by two, by two, and here it just conceptually is why this thing doesn't infinitely loop.

除以2，除以2，除以2，这里只是概念性地说明这一,过程为何不会无限循环。

哈佛公开课 - 计算机科学课程节选

And what's this little loop say to do? This little loop says I'm going to write a function or procedures that takes in two messages.

这个小循环是做什么的,这个小的循环是,我要写一个函数或者过程来接受两条消息。

麻省理工公开课 - 计算机科学及编程导论课程节选

The women's road race does only two passes through the punchy Box Hill Loop (the men do nine), which may not be ideal for Stevens, who prefers her races steep and grueling.

WSJ: Evelyn Stevens Gets an Assist From Connie Carpenter: Cycling's Luke Finds Her Obi-Wan -- London 2012

The Atlantic's Alexis Madrigal wrote a column called " Hey Reddit, Enough Boston Bombing Vigilantism, " and followed it up with a story on how the names of two innocent people got repeated in a viral loop on social media.

CNN: Should criminal investigations be crowdsourced?

Experiments currently being undertaken at Stanford, and also by John Price, a physicist at the University of Colorado, will measure the force of gravity over a distance of less than a millimetre (the size of loop expected if there are only two extra gravity-swallowing dimensions).

ECONOMIST: A matter of gravity