Programmed Communications Support System什么意思

Porter Creek Secondary School波特溪中学 Pennsylvania Council for the Social Studies宾西法尼亚州议会为社会的研究 Process Control Safety System安全系统的过程控制 Photoconductive Semiconductor Switch光导开关 Process Control Simulation System过程控制的仿真系统 Platform Check Sub-System检查系统平台 Piecewise Constant Speed Schedule分段常数速度时间表 Programmed Communications Support System编程通讯支援系统 P C Service Source, Inc.P C源公司服务