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- Direct Distance Service 直接通话业务
- Wide Area Telephone Service; long distance service at fixed rates for fixed zones. 宽区域电话业务服务；固定地区固定速度的长距离服务。
- The system allows such servicesas direct inward dialing, direct distance dialing, and console switchboards. 该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- There are close to 40 five-star hotels in Beijing and the international direct distance dialing can reach 240 countries and regions. 北京市内仅五星级宾馆就有近40家，国际直拨电话可连接240个国家和地区。
- The more expensive telephone service have become,the more the demand for these services has increased,particularly the demand for long distance services. 电话服务变得越广泛，对这些服务的要求就越增加，特别是对长途服务的要求。
- Central office telephone equipment serving subscribers at one location on a private automatic branch exchange basis. The system allows such servicesas direct inward dialing,direct distance dialing,and console switchboards. 中央局的电话设备，以用户专用自动交换机方式为某一地区的用户服务。该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- The more expensive telephone service have become, the more the demand for these services has increased, particularly the demand for long distance services. 电话服务变得越广泛，对这些服务的要求就越增加，特别是对长途服务的要求。
- Central office telephone equipment serving subscribers at one location on a private automatic branch exchange basis. The system allows such servicesas direct inward dialing, direct distance dialing, and console switchboards. 中央局的电话设备，以用户专用自动交换机方式为某一地区的用户服务。该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- If you do stay with your traditional telephone company, be sure you are getting the cheapest long distance service and not paying for services you don't need. 如果你一定要坚持使用传统的电话的话，确保你得到的长途电话收费是最优惠的，另外，不要为不需要的服务付费。
- IDDD International Direct Distance Dialing 国际直接长途拨号
- interactive direct distance dialing 国际长途自动电话
- expanded direct distance dialing 扩展的直接远地拨号
- direct distance dialing telephone 长途直拨电话
- Intercontinental Direct Distance Dialing 洲际远程直接拨号
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- international direct distance dialing 国际长途直拨
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- direct distance input and output 远程直接存储器存取
- international direct distance call 国际长途直拨呼叫
- He has chosen the most direct route. 他选取了最直的路线。
