中英互译
blowing down
基本释义
- 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。
双语例句
- There's a funny smell of soot blowing down the chimney.烟囱里倒灌进一股刺鼻的煤烟。
- The wind–the wind! There's a funny smell of soot blowing down the chimney.风啊——风啊! 烟囱里倒灌进一股刺鼻的煤烟。
- Trees have fallen, limbs are blowing down and debris is scattering the roads.树被刮倒,树枝也被刮落,路上到处都是残瓦碎片。
网络短语
- blowing-down休风
- 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
同义词
吹除;停炉;停风
英英释义
- In mathematics, blowing down is a type of geometric modification in algebraic geometry. It is the inverse operation of blowing up.