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谁知道如何运行Richman 7？？？
装上了，但不知道如何运行！有个防拷系统，说是找不到CD。有什么解决的办法吗？谁玩过Richman 7?告诉我一下解决方案吧！谢啦 -
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Problem About Internet Connection!!
after i reinstalled my PC, i can't access to the internet anymore. the problem as follow -
Problem About Internet Connection!!
after i reinstalled my PC, i can't access to the internet anymore. the problem as follow -
一些化学题，能答者有奖
Explain using Shielding why the last electron of K has a very low ionization potential. In Group 2A, use Shielding to explain why the Stable Oxidation Number is 2+. In Group 3A, compare the electron configurations of Boron and Aluminum to explain why Boron is a nonmetal but Aluminum is... -
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