With the increase of the code rate, the production distance between the constellation of the unitary group code decreases rapidly and deteriorates the performance of the system.
随着码率的不断增加，酉空时码群中的各个星座点之间的乘积距离会变得越来越小，从而导致性能恶化。
In order to solve the problem of higher product rejection rate and higher rate of equipment failures in machining production line, A Toyota Production System (TPS) implementing group has been set up.
为解决机加工生产线不良品率较高和设备故障率较高的问题，成立了精益生产（TPS丰田生产方式）导入及推广的项目小组。
The integrated assembly with sand removal and washing in crude oil gathering system designed by the Exploitation and Design Institute of Dagang Oilfield Group is up to the sand removal rate of 90%…
介绍大港油田集团勘察设计研究院研制的原油集输系统除砂洗砂一体化装置，经试验除砂率达到90％以上。
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