1.
Growth of Large High-quality Type Ⅱa Diamond Crystals and Research of the Mechanism under HPHT
优质Ⅱa型宝石级金刚石的高温高压合成及机理研究
2.
So it is important to study synthetic large diamond.
所以研究宝石级人造Ⅱ型金刚石是非常重要的。
3.
Growth of Type IB Diamond Crystal with Multi-seed under High Temperature and High Pressure by Temperature Gradient;
高温高压下IB型宝石级金刚石的多晶种法合成
4.
Ruby is less valuable than diamond .
红宝石不如金刚石贵重。
5.
THE FUNCTION AND EFFECT OF CATALYST IN SYNTHESIZING GEM DIAMOND PROCESS
触媒在合成宝石级金刚石中的作用及影响
6.
Diamonds and rubies are gems.
金刚石和红宝石都是宝石。
7.
A diamond is a precious stone.
金刚钻是一种宝石。
8.
The Experimental and Theoretical Study about Synthesis of Diamond Single Crystal under HPHT
高温高压生长宝石级金刚石单晶的实验与理论研究
9.
Study on Surface Characters of Gem Diamond Crystals Grown by HPHT
高温高压生长宝石级金刚石单晶的表面特征研究
10.
The diamond abrasive tool has been widely used in the gem processing factory.
金刚石磨具已广泛用于宝石加工业。
11.
diamond-particle bit
潜铸型细粒金刚石钻头
12.
specially shaped electroplated diamond products
异型电镀金刚石制品
13.
A great collector of gems and diamonds---you ought to see his fingers ...."
他收藏的宝石金刚钻！ 只看他两只手——”
14.
Now let us consider crystals such as diamond or sopphire.
现在让我们考虑象金刚石和蓝宝石这样的晶体。
15.
The variety of boule includes ruby, starlight ruby, sapphire, beautiful sapphire and starlight sapphire.
刚玉的种类包括（红宝石、星光红宝石、蓝宝石、艳色蓝宝石、星光蓝宝石）。
16.
The Mechanism of Diamond Growth and the Doping of N-type Diamond;
金刚石薄膜合成反应动力学及金刚石n型掺杂
17.
Any of various yellow gemstones, especially a yellow variety of sapphire or corundum.
黄宝石一种黄色的宝石，特别是黄色的刚玉宝石
18.
Three Levels of Transaction Circles in Exchange of Monetary Gifts at Stone City Village of Lijiang;
丽江宝山石头城村的礼金“三级交往圈”