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Unfortunately, its simplicity is also its weakness since it is frequently too simple to represent realistic problems.
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同手性固体简称homo S, 电子密度缩写ED.
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益者三友:友直,友谅,友多闻.
损者三友:友便辟,友善柔,友便佞. 真正的朋友,不是靠金钱来维系的。 |
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大家都表吃饭只喝汤,自然会有共鸣且润肠 |
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----太阳给予我们希望,给予我们能量,也给予我们能源。
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