常見(jiàn)例句雙語(yǔ)例句This paper investigated the law of KPB crystal twinning using microcrystallography, chemical etching and optical method.本文采用顯微結(jié)晶、化學(xué)浸蝕和光學(xué)方法研究了KPB晶體的孿生規(guī)律。 返回 optical twinning