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wocaoyangyang

木虫 (著名写手)

[交流] 翻译两句话

(1)知道物质变化中能量变化的意义,知道物质世界中能量守恒和转化的规律。
 (2)从分子或离子运动的角度理解物质溶解时经历的两过程,两个过程的热量变化,能解释物质溶解时的热现象。
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phyweiw

铁杆木虫 (著名写手)

wocaoyangyang(金币+10):谢谢 物质世界 翻译 稍有生硬 2010-03-03 21:37
(1)To know the significance of energy conversion when matter changes. To know the law of energy conservation and conversion in the physical world.


(2)To understand the two steps as well as the accompanying heat variation when matter dissolves from the viewpoint of molecular and ionic motion. Capable of explaining the heat phenomena when matter dissolves.
2楼2010-03-03 21:26:57
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phyweiw

铁杆木虫 (著名写手)

wocaoyangyang(金币+10):谢谢 2010-03-04 09:38
其实,物质世界多种说法:
the matter's world
the natural world
3楼2010-03-03 21:44:39
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