每副双层窗户都用一个垫圈为两片玻璃之间创造出足够的空间。
Each two-pane set is fitted with a spacer that creates ample space between them.
教室的前方，有框架环绕，通高双层窗户与水平挡雨板交替。
The fronts of the classrooms, with their salient surrounding frames, have floor-to-ceiling and double-pane Windows that alternate with vertical weatherboarding.
使用耳塞，地毯，厚重门帘，窗帘，以及双层窗户将噪音降低到最小。
Minimize ambient noise with ear plugs, rugs, heavy curtains or drapes, or double-pane Windows.
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