Work without external power, energy saving.
工作时不需外界动力，节省能源。
Without external power source, Internal battery can ensure the time displays normally.
内置后配电池，保证无外接电源时，时间可常运转。
On a full charge, the Model 7500 can operate from four to six hours without external power.
若充饱了电，「模组7500」可以在没有外接电源的情况下，连续使用约四至六个小时。
The invention adopts the impeller fluid self-drive method, the fluid drives the impeller to ensure that the boundary layer brushes rotate without external power;
本发明采用叶轮流体自驱动方式，由流体带动叶轮使边界层刷转动，无需外部动力；
In one embodiment, this invention provides a detection methodology which captures the fact that the holder of the detection device has been in contact with an item of interest without external power.
在一个实施例中，本发明提供检测方法，该方法在没有外部能量的情况下捕获检测设备的持有者已经于目标项目接触的事实。
Black start Black start refers to the starting of a power system with its own power sources, without the assistance from external power supplies.
黑启动黑启动是指依靠系统内部的电源，而不借助外部的电力进行的启动。
In this perspective, clusters cannot exist without systematic external linkages to suppliers, markets and technologies, raising issues of intercultural coordination, power and control.
如原料供应者，市场，技术，不同文化协调问题，能力，以及机构治理。
If you want to use the charger without having to provide an external power supply, use the following circuit.
如果你想使用，而不必提供一个外接电源，充电器使用下面的电路。
Motion and speed are sensed without mechanical couplings, bearings, linkages or an external power source.
运动和速度感到无机械轴承，联系或外部电源。
It handles up to eight cameras and offers 24-vac or 28-vac selectable outputs to accommodate voltage drops without an external power source.
该装置可同时处理八个摄像机，提供24伏和28伏可选输出，无需外部电源就能适应电压下降。
The double-track type external fixed bracket mainly comprises a power connecting rod with threads, a sliding connecting rod without threads, 4-6 sliding bodies and an ear-shaped body.
主要由带螺纹的动力连接杆、不带螺纹的滑动连接杆、4～6个滑动体和耳状体组成。
The double-track type external fixed bracket mainly comprises a power connecting rod with threads, a sliding connecting rod without threads, 4-6 sliding bodies and an ear-shaped body.
主要由带螺纹的动力连接杆、不带螺纹的滑动连接杆、4～6个滑动体和耳状体组成。
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