该船填补了国内空白，居国内领先地位。
The boat bridged the gap in the country and occupied a leading position at home.
多项技术填补了国内空白，达到国内领先水平。
A number of techniques have filled the domestic blank and reach the leading domestic level.
达到了国际一流水准，有些方面填补了国内空白；
We are reach the first class in this area , some aspect is filled the empty in domestic market.
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