沿着观众室墙壁的水平跟踪式窗帘，可以隐藏或布置以调节声学空间。

Horizontally tracking curtains along the walls of the audience chamber can be hidden or deployed to adjust the acoustics of the space.

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研究集中跟踪5种化合物水平上升带来的影响。

The research effort has focused on tracing the effects of growing levels of five compounds.

《柯林斯英汉双解大词典》

现在你已经知道了你的健康水平，保持跟踪你的健身进度。

Now that you know your fitness level, keep track of your progress.

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