reflection condition造句

Hence, for any given shape ( and reflection conditions-see below ) there will be a size that gives an exact balance between the rate of neutron production and the combined rate of absorption and leakage.
In this book, Niggli demonstrated that although X-ray reflection conditions do not always uniquely determine the space group to which a crystal belongs, they do reveal a small number of possible space groups to which it could belong.
It's difficult to find reflection condition in a sentence. 用reflection condition造句挺难的