This paper introduced the developing tendency of agro-processing technology and equipment at home and abroad and the existed gap.

本文介绍了国内外农产品加工技术与装备的发展趋势和存在的差距。

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The work fills (in) a gap which has hitherto existed in our archaeological literature.

这部著作填补了我国考古学文献中的一个空白。

《新英汉大辞典》

Seventh retrospective: Following our visit to one of the stand-up meetings, we realized that a knowledge gap existed with respect to concepts mentioned by team members at the stand-up meeting.

第七次回顾会议：在一次观察站会之后，我们意识到在站会上团队成员见提到的一些概念表明存在知识差距。

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For the least educated group surveyed, a 23 percentage point gap existed between the proportion of respondents who said they would prefer self-employment and the fraction that thought self-employment within five years was possible.

FORBES: Enabling Self-Employment for Those Who Want It

Mr Bergan's lucid book is a reminder of both how great a director Eisenstein was and how much greater his achievement might have been, by showing the gap that existed between the magisterial wreckage of his surviving work and the even more astonishing concept of cinema which he was never fully permitted to realise.

ECONOMIST: Film��s great might-have-been

Although he didn't win the election, he did close the gap that had existed between Mr Chavez and his closest rival by almost 20 percentage points.

BBC: Chavez's 'comfortable' win raises questions