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- MORPHOLOGY CONTROL--FAST-GROWING METHOD OF GEM GRADE DIAMOND UNDER HP-HT 快速生长优质宝石级金刚石大单晶
- gem grade diamond 宝石级金刚石
- Ⅱ b type gem grade diamond Ⅱb型宝石级金刚石
- In an ultrabasic rocks in North Jiangsu,corundum was first discovered and some was up to gem grade. 苏北某地超基性岩中,首次发现了红刚玉,少量已达宝石级。
- Lower grade diamond is less costly and generally has more irregularly shaped and angular crystals and is more suited for less severe applications. 低年级的钻石更是花费较少,一般具有不规则形状和晶体更适合角较轻的申请。
- An additive of namo-grade chemical fibers is made of tourmaline of gem grade in the nature by a special treatment process, which was dispersed evenly into viscose spinning dope by a special process, and the anion viscose fiber was developed. 摘要选用自然界中宝石级电气石经过特殊表面处理工艺，制作成纳米级化纤添加剂，再经特殊工艺使其均匀地分散在纺丝粘胶中，经过近似常规纺丝方法得到产生负离子功能的粘胶纤。
- A gem, especially a diamond, cut in this manner. 造型为玫瑰花状的宝石
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- A gem,such as a diamond,that is set alone. 独粒宝石（首饰）独自分开的一个宝石（如钻石）
- A gem cut in the form of a narrow rectangle. 狭长形宝石被切成细条形的宝石
- A gem, such as a diamond, that is set alone. 独粒宝石(首饰)独自分开的一个宝石(如钻石)
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- My secretary is an absolute gem. 我的秘书真是个难能可贵的人。
- She wore a diamond clip on her new dress. 她在新衣服上戴了一枚钻石别针。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- I saw diamond studs in her ears. 我看见她耳朵上戴着的钻石耳钉。
- Business is now on the up grade. 目前生意蒸蒸日上。
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- A gem that demands a fine setting. 宝石要配精美的戒台
