For over 20 years, dBm has been delivering the state-of-the-art and best-in-class RF link impairment emulation solutions for satellite and non-terrestrial wirel...

Lib/dbm/__init__.pyis a generic interface to variants of the DBM database:.dbm.sqlite3dbm.gnudbm.ndbmIf none of these modules are installed, the slow-but-simple implementation in m...docs.python.org

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2009年1月14日 - 很多专业书籍的范例中都会出现计算,而往往很多计算结果的意义让我们困惑,就遇到过这种问题不知道家是否被dBm, dBi, dBd, dB, dBc这些术语的意义所困惑...