Nitrate process is a new technology to pretreat refractory arsenical ores, and has made considerable progress in the process development.
硝化法预处理含砷难冶金矿石是一种新工艺，并在过程开发方面取得重要进展。
After the development over a decade, China's civil service team has made considerable progress in such aspects like specialization and standardization and so on.
通过十多年的发铺，我国公务员步队在专业化和规范化等良多方面获得了长足的提高。
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