... 分配系数 partition coefficient 旅鸟 passing migrant 被动散布 passive dispersal ...
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passing migrant bird 旅鸟
passing migrant birds 旅鸟
·2,447,543篇论文数据，部分数据来源于NoteExpress
“The shortages of rural migrant workers since 2004 have been no passing blip, but the signal that a major turning point is at hand — a transformational trend,” Ba wrote.
“2004年以来的民工荒并非一时之事，而是大拐点即将到来的标志，是趋势性的改变，”巴曙松写道。
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