例句與造句

1. Only center and neighboring points are used in present scheme , so the method of forward elimination and backward substitution can be directly used to solve linear simultaneous equations obtained from the scheme
   該方法僅涉及中心點(diǎn)及相鄰網(wǎng)格點(diǎn)，具有四階精度，并且由所提格式得到的線性方程組是三對(duì)角線型的，可以直接采用追趕法進(jìn)行求解。
2. It's difficult to find linear simultaneous equations in a sentence. 用linear simultaneous equations造句挺難的