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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 ball wool 抓毛

open ball bearing 透明球轴

ball wool open ball wool 抓毛

open the ball 开始行动

open unit ball 开单位球

Open The Front Ball 打开前端球阀

Four open casting ball valve 四开式铸造球阀

 更多收起网络短语
  • 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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