pstn 基本解释
abbr.position 情况，状况，境况；
pstn 相关例句
权威例句
PSTN architecture for video-on-demand servicesThe Structure Design and Implementation of AAL-2 CID channel assign for PSTN call control in VoATM service planeControl and management in next-generation networks: challenges and opportunitiesSIP-enabled switching systemsNEXUS: An Extensible File Format for Systematic InformationA Single Gene Product, Claudin-1 or -2, Reconstitutes Tight Junction Strands and Recruits Occludin in FibroblastsWhere Mathematics meets the InternetSIP标准中的核心技术与研究进展Environment and Policy Factors Shaping Global E-Commerce Diffusion: A Cross-Country ComparisonAn Architecture for Residential Internet Telephony Service
