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- GI-RDA digital gem refractometer helps you identify gems with higher refractive indices that ordinary optical refractometer cannot identify. 该仪器外型美观,体积小,操作简便,测定范围大,尤其是解决了普通光学折射仪不能测定高折射率宝石的难题。
- ON THE PRINCIPLE OF GEM REFRACTOMETER WITH THE AID OF INDICATRIX 应用光率体论述宝石折射率仪测试原理及其应用
- Crystal Optics Interpretation of Gem Refractometer Measuring Refractive Index 宝石折射仪上测定的折射率及晶体光学解释
- A gem cut in the form of a narrow rectangle. 狭长形宝石被切成细条形的宝石
- My secretary is an absolute gem. 我的秘书真是个难能可贵的人。
- A gem that demands a fine setting. 宝石要配精美的戒台
- The Provincial government granted us the right to gem the whole river. 省政府批准我们从整个河流中开采宝石的权利。
- The transparency and luster of a gem. 水色宝石的透明度及光洁度
- A transparent, green variety of garnet used as a gem. 翠榴石一种透明的、绿色的、用作宝石的石榴石
- Check oxygen concentration by a refractometer. 用折射仪测量一下氧气的浓度。
- A small natural or artificial gem used as a bearing in a watch. 钻石小的天然的或人造宝石,用作手表中的轴承
- The price of this gem is expensive -- as much so as astronomical figures. 这个宝石的价格十分昂贵--简直是个天文数字。
- Buying Automatic Refractometer Portable Type. 印度求购折射计。
- He beguiled me into parting with the gem. 他诱骗我把那枚宝石割爱。
- DO NOT immerse refractometer in water. 不要将折射计浸在水中。
- Mercurial Stone can now be put into Gem Bags. 水银石现在能放置在宝石包中。
- The portion of a cut gem above the girdle. 宝面露在镶嵌底板上面的那部分已雕琢过的宝石
- The little gem is worth two thousand dollars. 这块小宝石价值两千美元。
- A deep red garnet, Mg3Al2Si3O12, used as a gem. 镁铝榴石(红榴石)一种深红色的石榴石;Mg3Al2Si3O12,用做宝石
- A gem, especially a diamond, cut in this manner. 造型为玫瑰花状的宝石