In other words, we can use the magic of subtraction.
换句话说，我们可以借助减法的魔力。
The mathematics of weight loss is, in fact, quite simple, involving only subtraction.
其实，减肥的数学相当简单，只有减法。
The little boy can already do simple problems in addition and subtraction.
这个小不点孩子都已经会做简单的加减法问题了。
ObjectiveTo investigate the application value of DR dual energy subtraction technology in rib lesions.
目的探讨双能减影对肋骨病变的诊断价值。
The background subtraction is an important approach in video-based vehicle detection.
背景差法是一种重要的视频车辆检测方法。
The background subtraction is an important approach in video-based vehicle detection.
背景差法是一种重要的视频车辆检测方法。
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