“一般说来，微粒在碰撞过程中会变成电中性，”他说，“怎么可能电荷会增加呢？”

"Normally when particles collide, they neutralize," he says. "How could it be that charges increase?"

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“一般说来，微粒在碰撞过程中会变成电中性，”他说，“怎么可能电荷会增加呢？”

“Normally when particles collide, they neutralize,” he says. “How could it be that charges increase?”

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在巨分子云聚合形成过程中，一般都包括了分子云间的非弹性碰撞与分子云间的自引力。

The inelastic collision between clouds and the self -gravitation among clouds are included in the aggregation formation of GMCs.

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