一般情况下，物体有多个可以放稳的位置，每个稳定位置均由对应的线段（称作“基线”）表示。

There are typically many stable positions and each is defined by one of these lines known as its base line.

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一般情况下，物体有多个可以放稳的位置，每个稳定位置均由对应的线段（称作“基线”）表示。

There are typically many stable positions and each is defined by one of these lines known as its base line.

youdao