词汇	观测顶距
释义	观测顶距 observed zenith distance
随便看	subscriber loop carrier subscriber loop cost subscriber loop coupler subscriber loop in telephony subscriber loop multiplexer subscriber loop or local loop subscriber loop resistance subscriber loop signaling system subscriber loop transmission system subscriber management system subscriber membership subscriber message detail recording subscriber meter subscriber module subscriber multiple subscriber multiple jack subscriber multiplexed network subscriber nember subscriber network subscriber network interface subscriber network interface circuit subscriber number subscriber number management subscriber of shares subscriber-only