“group busy tone”的概念、定义、翻译、参考文献-科学参考

单词	group busy tone
释义	group busy tone [`grüp ¦biz·ē ´tōn] ^{COMMUNICATIONS} High tone connected to the jack sleeves of an outgoing trunk group as an indication that all trunks in the group are busy.
随便看	nuclear potential nuclear potential energy nuclear potential scattering nuclear power nuclear power plant nuclear propulsion nuclear quadrupole moment nuclear quadrupole resonance nuclear radiation nuclear radiation spectroscopy nuclear radius nuclear reaction nuclear reaction spectrometry nuclear reactor nuclear recoil nuclear relaxation nuclear resonance nuclear resonance magnetometer nuclear response function nuclear rocket nuclear scattering nuclear sclerosis nuclear ship nuclear snow gage nuclear spallation

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