传统书籍不需要电源和辅助阅读工具。
Traditional books don't need power sources and reading devices.
它是采用的USB接口，让您不需要电源适配器。
It is powered by the USB port so you don't need a power adapter.
不需要电源或弹簧夹子，仅需要9V的电池即可。
No power pack or spring clips needed, it works off a 9v battery.
但是气焊设备简单、操作灵活方便，火焰易于控制，不需要电源。
However, gas welding equipment, a simple, flexible operation, convenient and easy to control the flame without power supply.
因为不需要电源，不发热、精度高，在机械加工业应用日趋广泛。
Because it is without requiring power source, without heating and with high precision, it is widely applied in machinery processing industry.
正因为简易接续工具不需要电源，所以可以在狭窄以及高空中进行轻松地作业。
The connecting tool requires neither electric power nor heat source, and so enables quick work at high and narrow place.
只有载体侧FET(场效应晶体管)开关需要电源，载体本身基本上不需要电源。
As we need only electrical power for FET switching on the carrier side, power supply system for carrier is basically not needed.
气液联动球阀广泛应用于长输天然气管道，具有传动稳定、容易控制、不需要电源等优点。
Gas-oil valves are used widely in gas transmission pipelines with stable operating, easily to control and power-free.
换句话说，它的运行可以不需要电源线或电能，仅仅依赖周围环境中恒有的些许能量，如人体体温。
In other words, it can run without need of a power lead or battery, relying instead on some energy constant in the environment in which it functions e. g. the human body.
强力永磁吸盘适用于CNC加工机，精密铣床的先削加工，磁盘不需要电源，即使长时间也不会发热。
Powerful permanent-magnetic chuck used in CNC machine precision milling machine, the first cut processing, disk does not require power, even if long time and no heat.
电子相框有一个麻烦就是需要接电源，如果把它做成太阳能充电的电子相框就好了，放在太阳下晒几个小时，就可不需要电源让电子相框显示一段时间的图片了。
Digital Photo frame has a problem. It need outside power. If it is made of solar charging, it will be nice. Put the frame on the sun for hours and it can display the picture for some time.
混合动力汽车，不像纯电动汽车，从不需要接电源。
Hybrids, unlike pure electric cars, never need to be plugged in.
这些都不需要额外的费用，只需插入电源，选择所需的语言并调节音量即可。
There is no extra charge for these—just plug in, select the required language and adjust the volume.
这种演示装置的特点在于，其传感器件不需要外部电源。
The special feature of the demonstrator is that the sensing elements have no need of an external power supply.
此外，由于有太阳能电源以及氢能源电池组，它完全能够自给自足而不需要任何形式的地面电能补给。
Also, it's totally self-sustained, thanks to a solar energy and hydrogen fuel cell combo, and it doesn't require any kind of input from the ground.
如果在一个磁盘不会发生故障、系统和软件不会崩溃以及电源是百分百可靠的世界中，我们将不需要事务。
In a world where disks don't fail, systems and software don't crash, and power is 100 percent reliable, we wouldn't need transactions.
您甚至不需要考虑您的电源适配器在您的包。
You don't even need to take your power adapter out of your bag.
典型的多层建筑板采用电源平面将提供这种热蔓延而不需要额外的专用铜领域的能力。
Typical multi-layer boards using power plane construction will provide this heat spreading ability without the need for additional dedicated copper area.
方便于缺电、少电地区旅游、礼品赠送等。不需要任何电源补充，采用太阳光和灯光，蓄电备用。
In short, less convenient electric parts, gift, etc. Don't need any supplement, using solar power, storage electric lights and set aside.
这种方法不需要硬件同步电路，能实时地计算电源电压中的基波正序分量。
The proposed method doesn't need hardware synchronization circuit and can perform the calculation of fundamental positive sequence component of the supply voltage in real time.
不需要管道或者电源！
这个评估不需要使用者考虑任何额外需要或节能的电源。
This evaluation does not take into account any extra power supplies that may be required or energy savings to the end user.
本发明提供的热打印头检测装置不需要设置专用电源，使该检测装置的电路显著简化，降低了成本。
The thermal printer head detecting device does not need a special power supply, thus simplifying the circuits of the detecting device obviously and reducing the cost.
透过usb供给烧录机所需电力，随插即用以及高效能省电模式，您不需要随身携带变压器与电源线，DVD烧录机也可以轻松带著走。
USB burner required by the supply of electric power, plug and play, and efficient power-saving mode, you do not need to carry transformers and power lines, DVD burner can easily take away.
书是纸质版的，不需要联通电源。
该平板连接器是访问在橱柜，平板或机器内侧的电源，而不需要打开大门的理想选择。
The through panel connector is ideal for accessing power on the side of a cabinet, panel or machine without the need to open up the door.
该服务器还省略了一些大型互联网公司不需要的功能，如冗余电源和高级管理软件。
The servers also omit features that HP says often aren't required by large Internet companies, such as redundant power supplies and advanced management software.
把不需要的东西有备用电源(计算机扬声器，电源板等上一个并单击它关闭)时，不使用。
Put things that don't need to have standby power (computer speakers, etc.) on a power strip and click it off when not using.
此无线通信模块对焊接电源来说是透明的，所以焊接电源的应用层软件不需要做太大的修改。
Bluetooth module is transparent for welding source, so the application software of the welding source can be used only a little modification needed.
Marvair公司的12和24伏直流空调的设计运行直接从直流电源-逆变器是不需要的。
The Marvair 12 and 24 Volt DC air conditioners are designed to operate directly from a DC power supply – an inverter is not required.
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