英语词汇“maintenance services”的读音、翻译、释义、用法及例句-语文网

词汇	maintenance services
释义	maintenance services 维护服务在SNA（系统网路体系结构）中，在SSCPs（系统服务控制点）和PUs（实体装置）中的一种网路服务形式。维护服务提供测试链路及网点和收集并记录出错资讯的各种设施。
随便看	Direct Graphics Interface Specification direct hierarchy control direct hit direct importing direct insert subroutine direct-insert subroutine direct instruction direct investment direct inward dialing direction direction directional directional antenna directional filter directionality Directional Movement Index direction-finder directionless directive directives directive statement direct keying device direct letter of credit direct line attachment direct-line service

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