名词 power tool:

1. a tool driven by a motor

power cutn.切断电源；动力切断；停电powern.力量；力；能力；权力；【数】幂；电力v.使有力量；给 ... 提供动力adj.电力的；力量的；权力的Power capacitor device电容器装置power grid enterprises电网企业power take-off speed动力输出轴转数power supplying system供电系统power system frequency电力系统频率power system expansion电力系统扩张power of communication文化传播力power switching device功率开关器件power from ocean tides潮力power-amplifier tube功率放大管

1. HowNet is an electronic world knowledge system, which serves as a powerful tool for meaning computation in HLT.
   知网是一个人类语言信息处理所必需的世界知识系统，是应用于文本的意义或内容计算的强大工具。
2. Like radio buttons, list controls are powerful tools for simplifying interaction because they eliminate the possibility of making an invalid selection.
   和单选按钮一样，列表控件是简化交互功能的强大工具，因为它排除了做出错误选择的可能性。