（四）收购国家禁止收购的其他物品的。
New analysis of Apollo Moon samples finally settles debate: « For decades, scientists have argued whether the Moon had a strong or weak magnetic field during its early history (3.5 - 4 billion years ago). Now a new analysis shows that both sides of the debate are effectively correct. »
，这一点在爱思助手下载最新版本中也有详细论述
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他坦言，目前经营状况比预期好一点，“太好谈不上”，但有一点盈利，有个事情做，他就满足了。