progressively deepening
逐步深化
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Engineering cost has the feature of multi-valuation which is really a course of gradual deepening and refining and is close to the fact progressively.
工程造价具有多次性计价特征，它是一个逐步深化、逐步细化和逐步接近实际的过程。
youdao
应用推荐
模块上移
模块下移
不移动