It is known as a microform cleft, a mild form of a cleft lip.
这是一个隐性唇裂，是一种微小的唇裂。
That branch of science and technology concerned with methods and techniques for converting any form of information to or from microform.
研究将任何形式的信息替换成为缩微形式或将缩微形式转换成某种形式的信息的方法与工艺的科学与技术分支。
The lower surface roughness and smooth microform by electrochemical finishing not only enhance highly the life of gear, but reduce the noise.
齿面经过脉冲电化学光整加工后表面粗糙度低、微观几何形貌平滑，不仅使齿轮寿命大幅度提高而且工作噪音也大幅度降低。
The master index should offer extended access, but should not be a replacement for the title elements or the internal index pages of each microform.
主索引宜提供多种查找方法，但不宜替代标题要素或每个缩微品的内部检索页。
The master index should offer extended access, but should not be a replacement for the title elements or the internal index pages of each microform.
主索引宜提供多种查找方法，但不宜替代标题要素或每个缩微品的内部检索页。
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