性能保持 meaning in Chinese

property retention

The parent buc in requisitepro will be associated to the xde use case and will be able to be maintained via the standard iucm capabilities
Requisitepro中的父buc将与xde用例相关联并且将能够通过标准iucm性能保持关联。
Heat exchangers - guidelines to prepare installation , operating and maintenance instructions required to maintain the performance of each type of heat exchanger
热交换器.各种型号热交换器的性能保持所需的安装操作和维修说明书的编制指南
The structure of this magnetic inducting crankshaft position sensor assembly is simple , reliable easy for installation and use , being a crucial part of electronically controlled engine . as one of the important input signal of ecu controller , the sensor assembly can transmit stable cranking signal under any rotating speed of engine and ensures the stability of the performance of electronically controlled engine in respect of oil consumption , exhaust and output
该磁感应式曲轴位置传感器总成结构简单，工作可靠，安装使用方便，是电控发动机重要关键的部件作为ecu控制器重要的输入信号之一，该传感器总成能在发动机任何转速输出稳定的曲轴角度信号，可确保电控发动机在油耗排放输出功率方面的性能保持稳定。