green land 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.
摘要通過一些景觀生態學指數的計算與分析，對宜春市中心城綠地系統規劃前後的景觀格局進行評價。 - The urban ecologic green space system construction is the important material basis for survival and development of modern cities.
摘要城市生態綠地系統建設，是現代城市生存和發展的重要物質基礎。
