theory of regional economic development的用法和樣例：
例句
- From this, the economic balance in this delta is found inclining southward.
長(cháng)江三角洲區域經(jīng)濟發(fā)展天平已出現向南傾斜的趨勢。 - The existence of agglomeration and its size is an important factor affecting regional economic development.
集聚效應的存在與否和大小是影響區域經(jīng)濟發(fā)展的重要因素。
