topaz rock是什么意思

用法例句

On the origin and rock- and ore-forming model of topaz;

浅论黄玉的成因与成岩成矿模式

Study on colorific mechanism of topaz after irradiated by positron annihilation technique;

用正电子湮没技术研究黄玉的辐照变色机理

Breeding of CMS Line Huangyu A with Yellow Leaves in Rice;

水稻黄叶标记不育系黄玉A的选育

A New Yellow-flesh Mini-watermelon F_1 Hybrid —‘Wuzihuangyu’;

黄瓤小型西瓜无籽黄玉的选育