布莱克博士与戴维斯都承认他们本人各有两台手机，但在耳机与扩音器的使用上相当慎重，并只在信号良好的的地方打电话。
Both Dr. Black and Davis admitted that they still own two cell phones each, but are careful to use a headset or speakerphone, and only make calls in areas with good reception.
据《纽约人》报道，瑞思考勒曾用手机打电话给希尔获取新闻消息并用扩音器指导员工疏散。
According to "The new Yorker," Rescorla used his cell phone to call Hill to get updates on news footage as he directed employees by bullhorn.
拥有一个听筒喇叭扩音器并没有什么了不起——直到您不得不拨打一个自动化电话系统。
Having a handset speakerphone may not seem like such a big deal-until you have to call an automated phone system.
介绍了基于AT 89 C 2051单片机的扩音呼叫电话机的硬件与软件设计。
A kind of hardware and software design of the Amplifying Tone Telephone based on AT89C2051 is introduced in the paper.
本文介绍了集程控和共电式扩音功能于一身的HCBK系列程控防爆扩音对讲电话机的工作原理。
In this paper, the principle of HCBK flame -proof telephone with program control and common-battery telephone public-address is introduced.
HWK - 1a型无主机室内电话扩音转接器配接YX - 1(2)型室内音箱。
HWK-1A non switchboard indoor telephone commutator connect YX-1 (2) indoor loud box.
HWK - 1a型无主机室内电话扩音转接器配接YX - 1(2)型室内音箱。
HWK-1A non switchboard indoor telephone commutator connect YX-1 (2) indoor loud box.
应用推荐