SDL的相关资料：
临近单词
SDN
SD
SDAS Scientific Data Automation System
SDOC Selective Dynamic Overload Control
SDCCH Standard Dedicate Control Channel
SDH optical fiber communication network
SDM Selective Dissemination on Microfiche
SDL Specification and Description Language
SDDF Subscriber Digital Distribution Frame
SDDS Spin Decoupling Difference Spectroscopy
SDN Synchronous Digital Transmission Network
SDCCH Stand-alone Dedicated Control Channel
