实质性进展的英文：
substantive progress

substantive是什么意思：
adj. 本质的；实质性的；真实的；独立存在的；大量的
n. 实词，名词；名词性词组

This is a substantive clause.
这是个名词子句。

They came to substantive problems.
他们开始讨论实质性问题。

A noun or substantive following and governed by a preposition.
宾语在介词后或受制于介词的名词或名词性词组

Sweden also benefits from substantive industry research.
瑞典也因为大量的工业研究而获益。

Substantive hearings are not expected to begin until September.
大量的听证会预计要到9月份才会开始。

progress是什么意思：
n. 进步，进展；前进；增长；进化
v. 发展；促进；前进；进行

progressive tense
ph.1. 【语】进行时态,进行式

innovative progress
开拓进展

The road construction work is in progress.
筑路工程正在进行中。

Discontent is the first step in progress.
不满足是进步的第一步。

This is a progressive course in English study.
这是英语学习的渐进课程。