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Originally posted by fooo at 2010-10-28 06:24:22:
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ykwang

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feixiang2510(½ð±Ò+1):thanks,but 2010-10-27 20:31:16
feixiang2510(½ð±Ò+1):Ã÷°×ÁË£¬ÔٴθÐл£¡ 2010-10-27 20:59:10
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Nothing_Is_Impossible!
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feixiang2510

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Originally posted by ykwang at 2010-10-26 20:36:12:
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feixiang2510

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Originally posted by feixiang2510 at 2010-10-27 20:38:09:

      ÒòΪ£º¸ù¾Ý¹«Ê½hµ¥Î»ÎªJ•S=Kg•m•s-2s=Kg•m•s-1, mvµ¥Î»Îªkgms-1,Á½ÕßÒ»Ô¼²»¾ÍÊÇÁ¿¸Ù1ÁËô£¿

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