英和和英

出典:『Wikipedia』 (2010/12/15 02:01 UTC 版)

英語による解説

引用

Optical relief (usually noted as simply relief) is a concept in optical mineralogy which refers to the degree in which mineral grains stand out from the mounting medium, usually either oil with a known refractive index or Canada Balsam. Relief is an important part of the Becke line test.