“intermediate distributing frame”的概念、定义、翻译、参考文献-科学参考

单词	intermediate distributing frame
释义	intermediate distributing frame [´in·tǝr`mēd·ē·ǝt di`strib·yǝd·iŋ ´frām] ^ELECTRICITY Frame in a local telephone central office, the primary purpose of which is to cross-connect the subscriber line multiple to the subscriber line circuit; in a private exchange, the intermediate distributing frame is for similar purposes.
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