再生产

The development history of world airlines is that airlines produce and merger and then reproduce and remerge again.

世界航空公司展史是航空公司生产、兼并,再生产、再兼并历史。

Economy can grow the general condition of reproduction on the rails continuously, it is the input quantity of every kinds of its discharge, must be more than sendout.

【摘要】经济可展再生产正常进一般条件 ,就是种流量输入量 ,都必须大于输出量。