Laser as a heating source of high energy density of accurate control, can carry out multiple-sort strengthening treatment to the metal surface.
激光作为一种精密可控的高能量密度的热源，可对金属表面进行多种强化处理。
The ultrashort pulse laser plasma source works in ultrashort time, with high energy density and is able to be tuned, controlled easily.
超短脉冲激光等离子体源作用时间超短，能量密度高，可调谐，易于控制。
Direct methanol fuel cell (DMFC) is an ideal portable power source in the future because of the simple system, high energy density and convenient fuel storage and transportation.
直接甲醇燃料电池(DMFC)具有系统简单、比能量高、燃料便于储运等优点，是未来理想的移动电源系统。
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