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伟大和巨大的在线软件化学,如分子量计算器,化学平衡方程,气体定律计算器,斯莱特定则计算器等等。好做作业!
A great and gigantic collection of online softwares for chemistry, like molecular weight calculators, balance chemical equation, gas laws calculators, slater's rule calculator etc. Great for doing homeworks!
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