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open ball

  • 开球:数学中的一个概念,表示在度量空间中,以某个点为中心,距离小于某个正数的所有点的集合。

网络释义专业释义

  [数] 开球

... open:开集; open ball开球; operation:运算; ...

基于132个网页-相关网页

短语

open the ball 开始行动

open unit ball 开单位球

Four open casting ball valve 四开式铸造球阀

  • 开球

·2,447,543篇论文数据,部分数据来源于NoteExpress

双语例句原声例句权威例句

  • In the morning, from the hills, from level ground, from every open ball flower and sun flower road, came many pupils, a Dai, there Jingpo, have the De 'ang, and han.

    早晨山坡上,从坪坝里,从一条条着绒球花太阳花的小路上走来了许多小学生傣族的,景颇族的,阿昌族和德昂族的,还有汉族的。

    youdao

  • Maybe it's a striker standing in the open near the goal, the ball resting at his feet.

    或许一个前锋球门前方,足球就停脚下

    youdao

  • Three minutes later, Luis Fabiano increased Brazil's lead. He received a one-touch pass from Kaka, dribbled past Chilean goalkeeper Claudio Bravo and then knocked the ball into an open net.

    3分钟法比亚接卡卡直传,盘智利门将送入空门,帮助巴西队扩大领先优势。

    youdao

更多双语例句
  • The bottom of the root ball will look something like the spread-open wings of a butterfly.

    VOA: special.2011.04.19

  • All you need is a ball and open space.

    VOA: special.2010.06.09

更多权威例句
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