This system is convenient for application since the design period is greatly shortened.
该系统应用方便，可大大缩短设计周期。
Submitting plans of exporting ship for approval is a very important stage. If the work is well done, the design and building quality can be improved and ship building period can be shortened.
出口船的图纸送审是一个重要的阶段，搞得好可以提高设计和建造质量，缩短造船周期。
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