Mason returns to CTU after checking in on Alexis Drazen's health.

在查看过亚历克西斯的健康状况后，梅森返回反恐组。

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One ride at a theme park could only be accessed by checking in on facebook.

一个主题公园里的过山车只有在Facebook上登记后才能乘坐。

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Checking in on traffic from sky copter 5, there's trouble on the 80 interchange leading into the city.

我们正从空中5号直升机上查看交通状况，在进入城市的80号立交桥上出现阻塞。

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And in fact, under type checking, different languages sometimes fall on a spectrum from weak to strong typing.

实际上，在类型检查的下面，不同的语言会对应着,从弱到强的一个定型范围。

麻省理工公开课 - 计算机科学及编程导论课程节选

We announce where we are while Tweeting or checking in on Facebook, or Foursquare.

FORBES: My Software Isn't Creepy

After that, she says that checking in on your retirement accounts should become more frequent as you near retirement.

FORBES: Connect

Indeed, it is far more satisfying that checking in on foursquare or Facebook.

FORBES: Connect