例句與造句

1. "' Thermal ellipsoids "', more formally termed "'atomic displacement parameters "', are ellipsoids used in crystallography to indicate the magnitudes and directions of the thermal vibration of atoms in crystal structures.
2. With relativistic quantum mechanics in mind, the time duration and spatial displacement parameters ( four in total, one for time and three for space ) combine into a spacetime displacement ( " c " ? " t ",  " ? "'r "') } }, and the energy and momentum operators are inserted in the four-momentum to obtain a four-momentum operator,
3. It's difficult to find displacement parameter in a sentence. 用displacement parameter造句挺難的