A second signal may seem a bit parochial to international readers.

第二个信号对于国际读者来数也许有一些太地方了。

youdao

Once the temperature had risen, a second signal suspended work on the servers.

一旦房间上升到一定温度，就再次发出信号暂停服务器的工作。

youdao

Finally, once a police car has the Tahoe in view and the road ahead is clear, a second signal slows the engine down.

最后，只要它进入警车的视线内，并且前方道路通畅，第二个信号就会让它的引擎慢下来。

youdao

They're ready to rapidly differentiate into antibody producing cells and they're waiting for that second signal to come.

并可以迅速分化为,抗体分泌细胞,记忆细胞在等待第二次信号的到来

耶鲁公开课 - 生物医学工程探索课程节选

They often involve the generation of what are called 'second messenger' molecules which carry the signal further into the cell.

过程中通常会生成一种叫做,第二信使的分子,将信号更深入地传递至细胞内部

耶鲁公开课 - 生物医学工程探索课程节选

That signal is carried here, for example, by the concentration of second messengers - the concentration of something else.

这里这个信号由,第二信使的浓度,即另一种物质的浓度来传递

耶鲁公开课 - 生物医学工程探索课程节选

Moreover, they also point out that there should be a second signal from annihilating dark matter, in the form of gamma rays coming from the Milky Way's halo.

ECONOMIST: Two new ways to detect the elusive stuff of the universe

The clock face, which uses a red second hand resembling a railway signal on a monochrome background, was designed for the SBB in 1944 by engineer and designer Hans Hilfiker while the rest of Europe was focusing on other matters.

FORBES: Apple Finally Pays For Some Intellectual Property

Phillip Mott QC told the court that he had been distracted after a farmer rang the signal box for a second time asking if it was safe to walk his sheep over another crossing further up the track.

BBC: Level crossing death: Signalman and Network Rail fined