greenbelt

n.

（城市周围的）绿色地带；绿带；

1. Urban greenbelt is a very important measure to improve the environment of city.
   城市周围的绿色地带是扩大城市生存发展空间的一条重要途径。

From Greenbelt to Greenways - 4 Canadian Case-Studies
From greenbelt to greenways: four Canadian case studies
Greenbelt and Green Heart: separating and integrating landscapes in European city regions
Efficient Configuration of a Greenbelt: Theoretical Modelling of Greenbelt Amenity
GIS-based study on spatial structure of urban greenbelt landscapes: Taking Ningbo City as an example
High energy phenomena on the sun. A symposium held at Greenbelt, Maryland, September 28--30, 1972
Landscape pattern analysis and comprehensive assessment of greenbelt in Wuhan steel & iron industrial district
The Application of GIS and RS Image Processing Technology in Guangzhou City Greenbelt System Overall Planning
The monitoring and evaluation of relation between heat island effect and greenbelt distribution in shanghai urban area
Impact Structures. (Book Reviews: Shock Metamorphism of Natural Materials. Proceedings of a conference, Greenbelt, Md., 1966)