green system的用法和樣例：
例句
- Through calculating some landscape indexs, the quantitative analysis on the landscape patterns of the Yichun Central City Green Space System was made.
摘要通過(guò)一些景觀(guān)生態(tài)學(xué)指數的計算與分析，對宜春市中心城綠地系統規劃前后的景觀(guān)格局進(jìn)行評價(jià)。 - The urban ecologic green space system construction is the important material basis for survival and development of modern cities.
摘要城市生態(tài)綠地系統建設，是現代城市生存和發(fā)展的重要物質(zhì)基礎。
