point symmetry

常見(jiàn)例句

Firstly, we calculate the Lie point symmetry of 1+2-dimensional nonlinear evolution equation:Which arises from the motion of plane curves in affine geometry.
我們首先計(jì)算了來(lái)自射影幾何的平面曲線運(yùn)動(dòng)的非線性發(fā)展方程：所容許的李點(diǎn)對(duì)稱群。
Firstly, the Green function's source point and field point symmetry and geometry symmetry are discussed, and based on these, symmetry properties used in the matrix solving are discussed.
首先分析了格林函數(shù)的場(chǎng)點(diǎn)源點(diǎn)對(duì)稱性和幾何對(duì)稱性，并由此入手，對(duì)對(duì)稱性在速度勢(shì)求解矩陣中的應(yīng)用進(jìn)行了分析。
They belong to C_(2V) local symmetry. From the point of view of point-charge model the ligand field semi-quantitative calculation is applied to molecules with C_(2v) point group symmetry.
指出它們均具有C_（2v）局部對(duì)稱性，并從晶體場(chǎng)點(diǎn)電荷模型出發(fā)對(duì)具有C_（2v）對(duì)稱性點(diǎn)群的分子進(jìn)行了配位場(chǎng)半定量計(jì)算。