| 单词 | 便携式 |
| 释义 | 〔portable〕a portable typewriter; a portable generator.手提式打字机；便携式发电机〔ytterbium〕A soft, bright, silvery rare-earth element occurring in two allotropic forms and used as an x-ray source for portable irradiation devices, in some laser materials, and in some special alloys. Atomic number 70; atomic weight 173.04; melting point 824°C; boiling point 1,196°C; specific gravity 6.972 or 6.54 (25°C) depending on allotropic form; valence 2, 3. See table at element 镱：一种柔软、明亮的银色稀土元素，存在于两种同素异形体中，被用作便携式的放射线治疗设备的X射线源，也用于一些激光物质和特殊合金中。原子序数70；原子量173.04；熔点824°C；沸点1,196°C；比重依两种同素形体6.972或6.54(25°C)；化合价2,3 参见 element〔minicam〕A small, portable television camera used especially for on-the-scene videotaping.便携式摄像机：一种尤用作现场电视录像的小型便携式电视摄像机〔subnotebook〕A portable computer that is smaller than a notebook computer.小型笔记型计算机：比笔记型计算机小的便携式计算机〔PLSS〕Portable life-support system.便携式生命保障系统〔gun〕A portable firearm, such as a rifle or revolver.便携式火器：一种可以随身携带的火器，如步枪或左轮枪手〔thulium〕A bright, silvery rare-earth element obtained commercially from monazite, having an x-ray emitting isotope that is used in small portable medical x-ray units. Atomic number 69; atomic weight 168.934; melting point 1,545°C; boiling point 1,727°C; specific gravity 9.3; valence 2, 3. See table at element 铥：一种商业上可从独居石中提取的亮银色稀土元素。它有一种可以释放X射线的同位素，用于小型便携式医疗X射线设备。原子数69；原子量168.934；熔点1,545°C；沸点1,727°C；比重9.3；化合价2,3 参见 element〔launcher〕A device, such as an attached tube or a portable unit, for firing rockets.发射器：一种用来发射火箭的装置，如一种附属管或便携式部件〔flashlight〕A small, portable lamp usually powered by batteries.手电筒：一种通常用电池供电的小型便携式电灯〔jack〕A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press.千斤顶，起重机：通过杠杆、螺丝钉或水的压力把重物提起的便携式装置〔scuba〕A portable apparatus containing compressed air and used for breathing under water.自携式水下呼吸器：包括压缩空气和在水下用于呼吸的便携式仪器 |
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