例句與造句

1. the quantities baβ are the covariant components of a plane tensor, called the curvature tensor of the surface.
   ba是“平面張量”的協(xié)變分量，叫做該曲面的曲率張量。
2. Go a step further , beginning with the relation of the general curvilinear coordinate system and its corresponding reciprocal base , we derived the description of the particle ' s motion in the reciprocal base , and the covariant components of the particle ' s motion were obtained as well
   進(jìn)一步地，從一般曲線坐標(biāo)系與其對應(yīng)倒基的關(guān)系出發(fā)，導(dǎo)出了一般曲線坐標(biāo)系對應(yīng)倒基下對質(zhì)點運(yùn)動的描述，并進(jìn)而給出了質(zhì)點運(yùn)動對應(yīng)的協(xié)變分量。
3. It's difficult to find covariant component in a sentence. 用covariant component造句挺難的