- average speed of development
- n.平均发展速度
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
average speed of development
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Speed skating — or speedskating is a competitive form of skating in which the competitors race each other in travelling a certain distance on skates. Types of speedskating are long track speedskating, short track speedskating, inline speedskating (or inline… … Wikipedia
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High-speed rail in the United Kingdom — The United Kingdom has four classic main railway lines operating at convert|125|mph|km/h|sigfig=2, plus convert|108|km|mi|sigfig=1 of High Speed 1 high speed line.The fastest current UK domestic services operate at convert|125|mph|km/h|sigfig=2… … Wikipedia
