A mirror set at an angle on astick and held over a nest, will show us what is going on withoutour touching, pulling on the branches or annoying the motherbird.
在树枝上安装一个镜子，调好角度，装在鸟巢的上方，镜子会向我们展示鸟巢中的情况，从而避免了我们直接去触摸，拉树枝或惹恼鸟妈妈。
Rather than sloping to follow the Angle of the terrain, the route is broken up into stepped levels that zigzag across the ground to avoid touching trees.
小径的路线没有顺延基地的坡度，而是分成了几个阶梯式的标高，通过之字形道路进行连接，避免碰到树木。
This paper tries dialectically to explain the problem of key touching when playing piano from the following six aspects: height, strength, speed, Angle and the rigidity of fingers.
本文从触键的高度、力度、速度、深度、角度和手指硬度这六方面来将触键问题做一个辩证的阐述。
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