But when you're down 10 or 12 percent from recent highs, we can

来源: marketreflections 于 2010-05-07 20:40:17 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (334 bytes)

回答: 磁场是要有两个来源,本质是统一，电磁场就是电磁4-矢量势的旋度构成的一个4-二阶反对称张量。而磁场就是不涉及时间分量那一部分。貌由 marketreflections 于 2010-05-07 11:47:59

"We had the earthquake, we're now in the midst of getting the aftershocks," said Steven Goldman, chief market strategist for Weeden & Co. in Greenwich, Conn. "When the market's so close to new highs, it's difficult to have rallies. But when you're down 10 or 12 percent from recent highs, we can deal with uncertainty better."

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• base就是一个保守场，保守场才稳定 -marketreflections- ♂ (174 bytes) () 05/07/2010 postreply 20:43:06

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