静质量相对大，动质量相对小，波动性小.但总有一定的运动和能量

来源: marketreflections 于 2010-06-13 19:39:57 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

静质量相对大，动质量相对小，波动性小

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