The deposit is concentrated at the bottom of the embayment with highgrade dissemination at a higher elevation above it . 矿体集聚在凹陷的底部,而比它高的位置才有高品级的分布。
In some high-grade disseminated ores, sulfides are also encountered as bands, reniform masses, and coatings associated with colloform textures . 有些高品级浸染状矿石中,硫化物类也成层带、肾状块,与胶体结构共生。
He is a musician of the first chop 他是第一流品级的音乐家。
We must try to upgrade our cattle to the required standard of meat 我们必须努力提高牛的品级,使之达到所要求的食用肉标准。
Color features selecting and grades clustering for preharvest cotton images with dark background 黑背景下收获前棉花图像色特征生成及其品级聚类分析