rhombohedral tetrahedry是什么意思

用法例句

Only one of these images formed is the focused image,which does not show fringe effect and has more concentrated optical intensity and better measurement resolution.

形成的这些像面中有且只有一个是正焦像面,它不仅没有边缘效应、能量更加集中,而且可以有效提高系统的测量分辨率。