（1） 自供电 （ Self-Powered ） 是指该USB设备或Hub能够自己提供电源，而无需从VBus上提取电流，这样做的好处是该设备在工作时功率不必受USB协议的限制，..
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该模组包括了一RF收发器、一个带感测器前端的微控制器及一能量收集区块（block），这让它成为一个可以自我供电（self-powered）的感测器平台，适合各式各样的应用。
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self-powered digger 自动挖掘机
self-powered platform 升降工作台
self-powered vibratory roller 自行振动压路机
self powered detector 自供电探测器
self powered gamma detector 自供电探测器
Self Powered Device 自供电设备
self-powered detector 自给能探测器
self-powered recorder [电子] 自供电录声机
self-powered meter 自供电仪表
The technology, Strano said, could one day be used to light the rooms or even to turn trees into self-powered street lamps. In the future, the team hopes to develop a version of the technology that can be sprayed onto plant leaves in a one-off treatment that would last the plant's lifetime.
斯特拉诺表示，该技术将来可能用于房间照明，甚至可以将树木改造为自供电路灯。该团队希望未来可以开发此技术的新形式，用于喷洒植物叶片，一次操作，终生有效。
The radio is small, about the size of a book, and self-powered.
这种收音机体积非常小，只有一本书大小。
He defined active objects as objects having their own thread of control (or, self-powered).
他将活动对象定义为具有自己的控制线程(或自己为自己提供支持)的对象。
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