As an ideal energy carrier, Hydrogen has advantages of high energy density, high convert efficiency and cleanness.
氢是一种十分理想的载能体，它具有能量密度高，热转化效率高，清洁无污染等优点。
The term "efficiency" refers to the ability of a speaker system to convert electrical energy (power from the amplifier) into acoustic output.
术语“效率”是指扬声器系统将电能（功放的推力）转化为声音输出的能力。
Grey scale processing is to convert the colorful image to grey scale one, in order to reduce storage space and raise operation efficiency.
图像灰度化即是将真彩色的车辆图像转变成灰度图像，目的是减少其电脑存储空间和提高运算效率。
The efficiency of the information fetch component access the network is discussed, the KM takes DNS pre-convert method to accelerate the speed of access the internet.
本文还详细探讨了信息抓取模块中负责访问网络部分的效率分析，采用DNS预转换的方式加速网络爬虫的访问速度。
The efficiency of the information fetch component access the network is discussed, the KM takes DNS pre-convert method to accelerate the speed of access the internet.
本文还详细探讨了信息抓取模块中负责访问网络部分的效率分析，采用DNS预转换的方式加速网络爬虫的访问速度。
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