1.
electronic calculator, capable of operation without an external source of power
电子计算器（不需外接电源）
2.
electronic calculating machine [capable of operation without an external source of power, whether or not capable of printing (excl. automatic data processing machines)]
电子计算机[不需外接电源,不论是否能打印（自动数据处理器除外）]
3.
"You should change your battery or switch to outlet power immediately to keep from losing your work.
"为防止丢失所做的工作，您应该立即更换电池或使用外接电源。
4.
pocket-sized electronic calculator[capable of operating without an external source of power, whether or not programmable (excl. automatic data processing cachines)]
电动袖计算器不需外接电源[不论是否可编程序的（自动数据处理器除外）]
5.
picks up electromagnetic radiations in the radio-frequency range from extra-terrestrial sources.
从外陆来源的无线电频率范围内接受电磁射线。
6.
Application of Stator Ground Protection with Extra Power Supply in Longtan HydroPower Station
外加电源式定子接地保护在龙滩水电站的应用
7.
Research on Some Problems of Stator Ground Fault Protection with Outside Sources
外加电源型定子接地保护若干问题的研究
8.
Beautiful shape and fashion design; free light from telephone line and no worry about power cut.
外观精美，时尚高档，照明而不需电费，直接接电话线的微电源，无停电之忧。
9.
Ask the switchboard operator for an outside line.
叫(电话)接线员接外线。
10.
The electrical connector of an active circuit component.
有源电路元件的电接头。
11.
The tv is not plug in.
电视机的电源没有接通。
12.
a cord to conduct power to an electrical appliance.
连接电源和用电器的线。
13.
The brushes are connected to the source of electrical energy.
电刷和电能源相联接。
14.
extragalactic double radio sources and multiple radio sources
河外射电双源和多重源
15.
External characteristic control of SCR arc welding rectifier
晶闸管整流弧焊电源的外特性控制──适用于高纤维素焊条的焊接
16.
Connect the Power Supply Cables
连接电源供应器的电源线
17.
not plugged in or connected to a power source.
没有插上电源或与电源连接的。
18.
Plug the microwave oven into a power point and switch on the power.
把微波炉插头插进电源插座，接通电源。