时间:2022-04-08 19:57:46
adj.
高级的,优质的,上等的(high-grade steel 优质钢)。 High ground (辩论、冲突、竞选等中所处的)有利地位,上风(take the high ground抓住有利的机会)。
surpassing in quality; "top-grade ore"
同义词:top-quality, top-grade,
In some high-grade ores, phenocrysts adhere intimately to the pseudomorphs .
在有些高级矿石内,斑晶紧连着假晶。
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。