但在国内，该方面的研究尚属空白。

But it's still been empty of study in this realm in China.

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他们的品牌虽然在国内享有很高的知名度，但在在欧美却默默无闻。

Their brands, though well established at home, are unknown in Europe or America.

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但在这一阶段，逐渐有国内科研人员开始进行数据库加密技术的研究。

But at this stage, the domestic researchers began to study the database encryption technology.

youdao

但在这一阶段，逐渐有国内科研人员开始进行数据库加密技术的研究。

But at this stage, the domestic researchers began to study the database encryption technology.

youdao