go top

blowing down

  • 拉开:在数学中,拉开(法文:éclatement,英文:blowing up)、单项变换或σ-过程是一种几何的操作,代数几何中的应用尤重。拉开是双有理几何的基本工具。对代数簇或复流形上一点Z的拉开是将该点换为该点法丛的射影丛,或者具体地说是换为该点切空间的射影空间,从而得到拉开态射Bl_Z:~→M,这是一个双有理等价。对较高维子流形也能定义拉开。

网络释义专业释义英英释义

  休风

... 修补焊接:repair welding 休风blowing-down 型砖:shaped brick ...

基于66个网页-相关网页

短语

blowing down 停炉 ; 吹除 ; 排污 ; 放气

emergency blowing-down 紧急休风

blowing-down operation 停炉操作

blowing down burden material 休风料

down blowing gas 下吹制气

up-down blowing sand cups 上下刮砂杯

steam-blowing by step-down pressure 降压吹管

 更多收起网络短语
  • 停炉
  • 吹除

·2,447,543篇论文数据,部分数据来源于NoteExpress

Blowing down

  • abstract: In mathematics, blowing down is a type of geometric modification in algebraic geometry. It is the inverse operation of blowing up.

以上来源于: WordNet

双语例句权威例句

  • After blowing-down, through rational feed operation, the chute feeder was changed safely within the allotted time.

    休风后合理压料,确保在规定时间安全更换布料溜槽安全地更换。

    youdao

  • Mama's down there gardening, and everything keeps blowing away on her.

    妈妈在花园里,她的东西都快被风吹了。

    youdao

  • Lots of science fiction is populated by sweet laser cannons shooting down spaceships or blowing up whole planets.

    很多科幻小说里充斥激光大炮打飞船或是摧毁整个星球的华丽情节。

    youdao

更多双语例句
  • But XTO, with a smaller capital structure than the supermajors', is happy to invest in the neglected fields, using new techniques of 3-D imaging, horizontal drilling and so-called fracture stimulation--blowing open rock formations by injecting mudlike fluids down wells to get at big methane reservoirs.

    FORBES: Oil & Gas Operations

  • Anthony had a franchise-record six straight 35-point games down the stretch, blowing past Kevin Durant by raising his average to 28.7 points and positioning himself to become the first Knick since newly elected Hall of Famer Bernard King in 1984-85 to win the scoring title.

    WSJ: In his best NBA season, Melo's real work remains

  • Most of all, there is nothing as satisfying as those moments where you step out on a dark night, the wind blowing, the rain beating down, with a long journey ahead - and decide to catch the Tube instead.

    BBC: NEWS | UK | Magazine | Cycle warriors

更多权威例句
$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定