In many atomic fluorescence applications a non - dispersive optical system may be used.在许多原子荧光法的应用中,可以采用 非 分散的光学系统.In X - ray fluorescence, pieces of the filter are used directly.在 X 射线荧光法中, 可直接使用滤纸.Method of mensurating...
最幸福的人们并不一定什么都是最好，只是他们懂得欣赏生活的美好。The happiest are not those who own all the best things, but those who can appreciate the beauty of life.我试着回忆在这里度过的所有美好时光。I try to remember all the good times I've had here.婚姻生活并不像他想象的...
Their numerical system, derived from the Babylonians, was based on multiples of the number six.他们的数制源自古巴比伦人，以数字6的倍数为基数。The sexagesimal scale, or number system based on 60, was used by ancient Babylonians.古巴比伦人用六十进位制, 即以6...