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This disk, being under the above conditions perfectly balanced, would rest in any position.
这个碟子,在上述条件下是完全平衡的,无论在任何位置都是静止状态。
youdao
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This disk, being under the above conditions perfectly balanced, would rest in any position.
这个碟子,在上述条件下是完全平衡的,无论在任何位置都是静止状态。
youdao