通过本课题研究，密接式车钩铸件出品率可以提高9%，降低了原料消耗，提高了工厂的经济效益。
Tight-lock coupler casting yield can be increased by 9% and the consumption of raw materials reduced and the economic benefits increased.
为了简洁化和提高管理员的工作效率，本课题主要研究通过网络批量安装维护系统。
To predigest and enhance managers efficiency for the work, this topic mainly research the installment and maintenance network systems.
本课题主要研究的是如何通过现有的有线通信网来传输MPEG_2 TS流。
This paper mainly focuses on the research on how to transmit the MPEG-2 TS by cable communication network.
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