a law of economic development的用法和樣例：
例句
- The system theory has provided the theoretical foundation to investigate the development rule of the regional e-conomy scientifically.
系統論為更科學(xué)地考察區域經(jīng)濟發(fā)展規律提供了理論基礎。 - Utsunomiya The study is based on the spirit of history from the perspective reveals the laws of historical development.
宇都宮的研究主要立足于從精神史的角度來(lái)揭示歷史的發(fā)展規律。
