Secondly, it analyses function and date of the PSI system, and makes its data model.
而后又对其进行了功能设计和数据分析，并建立了数据模型。
Chapter 2 describes the system part of MPEG-2 standard with focuses on PSI (Program Specific Information) and PCR (Program Clock Reference).
第二章主要讲述了MPEG - 2标准系统层规范，着重介绍节目特殊信息PSI和节目时钟参考pcr。
The service information (SI) is the data used to describe transport system, transport content and data stream time table, and also is the additional data used to complement MPEG-2 PSI.
业务信息（SI ）是用来描述传送系统、传送内容和广播数据流时间表等的数据，是补充MPEG 2节目说明信息（PSI）的附加数据。
PSI8400 pressure test system is of high precision pressure measurement equipment produced by PSI Inc. of USA and it is used in pressure measurement test of wind tunnel widely.
P SI8400电子压力测试系统是美国压力系统公司生产的高精度的压力测量设备，广泛应用在风洞压力测量试验中。
Responsible for monthly data input of PSI MIS (Monitoring Information) System and can provide analysis to relevant project staffs.
负责将每月项目数据输入到PS I信息管理系统，并向项目人员提供数据分析信息。
Drilling strokes 12 "to 48". 3 HP variable speed spindle. 10 GPM 1500 PSI Coolant System. 200 gallon total capacity reservoir.
钻孔冲程为12英寸到48英寸。3功率变速轴。每分钟10加仑，每平方英寸1500磅的冷却系统。
Drilling strokes 12 "to 48". 3 HP variable speed spindle. 10 GPM 1500 PSI Coolant System. 200 gallon total capacity reservoir.
钻孔冲程为12英寸到48英寸。3功率变速轴。每分钟10加仑，每平方英寸1500磅的冷却系统。
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