piezo-optical coefficient压: press; push down; hold down; ...光: light; ray系数: coefficient; ratio; modulus; ...比吸光系数: specific absorptivity比消光系数: specific extinction coefficient下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:压光系数,即可在微信中查询翻译