r to x to r发音

意思翻译

r到x到r

相似词语短语

r to───abbr.铁路运输办事处（RailwayTransportationOffice）

p X r───p X r

a r r───abbr.到达（arrival，arrive）

r and r───abbr.休息和娱乐（RestandRecreation）

age r r───年龄r r r

a to the r───从a到r

s to r g───s到r g

t r t r───t r t r

so r r y───int.对不起，抱歉（表示委婉的拒绝等）；adj.遗憾的；对不起的，抱歉的

双语使用场景

basically you don't really need to remember these formulas as long as you remember how to express r in terms of rho sine phi, and x equals r cos theta.───事实上你不用记住这些公式,只需要知道r=ρ*sinφ,而x=r*cosθ

to polar coordinates, basically all you have to remember on the side of integrate is that x becomes r cosine theta. y becomes r sine theta.───在极坐标系里，要记住在积分一侧,只是把x变成rcosθ，y变成rsinθ

英语使用场景