variable refractive index造句

例句与造句

1. Only gradient index optics about variable refractive index.
2. Ti 3 O 5, described as a Ti ( IV )-Ti ( III ) species, is a purple semiconductor produced by reduction of TiO 2 with hydrogen at high temperatures, and is used industrially when surfaces need to be vapour-coated with titanium dioxide : it evaporates as pure TiO, whereas TiO 2 evaporates as a mixture of oxides and deposits coatings with variable refractive index.
3. It's difficult to find variable refractive index in a sentence. 用variable refractive index造句挺难的