The paper suggests the properties of rough subsemirings and rough ideal.
研究了半环的粗糙子半环和粗糙理想的性质；
Too much water and chemicals is an ideal combination of rough and chapped hands.
太多水，是一种理想的组合化学、粗糙皴手。
It is only a rough guide to ideal weight.
这只是一个实现理想体重的粗略的办法。
It is only a rough guide to ideal weight.
这只是一个实现理想体重的粗略的办法。
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