在线词典

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在线词典,是一款在线使用的中英文查词词典。本工具支持查询英文和中文单词及词组的含义,查询效率高、结果丰富,包括单词变体、常用短语、英英释义、同义词、同根词、词语辨析等,是外语学习者必备的在线查词工具。

direct-distance dialing

查词链接:https://www.dute.org/dict/direct_distance_dialing复制链接
长途直拨电话,远程直接拨号
查看英英释义
abstract:
Direct distance dialing (DDD) or direct dial is a telecommunications term for a network-provided service feature in which a call originator may, without operator assistance, call any other user outside the local calling area. DDD requires more digits in the number dialed than are required for calling within the local area or area code.

网络释义
直接长途拨号
... 用户长途拨号 subscribers trunk dialing 直接长途拨号 automatic long distance service; direct distance dialing; direct-distance dialing 半自动长途拨号 semiautomatic toll selection ...
常用短语
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* 以上查询结果来自于网络,仅供参考。
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