Not surprisingly, the next big change in the development of the city also turned on a leap in technology: the invention of engines and manufacturing machinery.
毫不令人感到惊奇，接下来城市进步的重大变革仍开展了技术方面的跨越：发动机和制造机器的发明制造。
The new model of weapon will represent a tremendous leap in the development of underwater weapon.
这种武器的研制和应用将是水中兵器的巨大飞跃。
It will promote the whole of traditional Chinese medicine research and development took place on the use of a new breakthrough in a new leap forward.
它将促使整个中药传统研究开发利用上发生一个新的突破，产生一个新的飞跃。
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