Arbitration and control module is the main part of the top module used to implement the state machine and system timing control.

仲裁与控制模块是顶模块的主体部分，主要实现系统状态机和时序控制；

youdao

The title bar at the top of each module identifies its purpose.

每个模块顶部的标题栏的目的都是为了标示其用途。

youdao

The threading module was designed with inheritance in mind, and was actually built on top of a lower-level thread module.

在设计线程模块时考虑到了继承，并且线程模块实际上是建立在底层线程模块的基础之上的。

youdao

The weight of the lunar module, on top of the command and service module, was the main reason why the Saturn V rockets that shot Apollo astronauts into space needed to be the tallest, heaviest and most powerful ever flown, a record they still hold.

ECONOMIST: Space lifts

The headlines appear in order of most recently published so the latest news story should always be at the top of the module.

BBC: links to other news sites

On the back, the camera still peeks out of the top-left, but the module is considerably larger now and, where it was inset on the fourth-gen iPod touch, it now protrudes slightly -- just over 0.6mm, by our measurements.

ENGADGET: iPod touch review (2012)