<div><p class="MsoNormal"><span lang="EN-US">GRASS GIS </span><span style="font-family:
宋体;mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:
宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin">（</span><span lang="EN-US">Geographic Resources
Analysis Support System</span><span style="font-family:宋体;mso-ascii-font-family:
Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">，地理资源分析支持系统）</span>
<span style="font-family:宋体;mso-ascii-font-family:Calibri;mso-ascii-theme-font:
minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">是一个免费、开放源代码的地理信息系统（</span><span lang="EN-US">GIS</span><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">），用于处理栅格、拓扑矢量、影像和图表数据。</span><span lang="EN-US">GRASS </span><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">由来自很多地区的开发者组成的跨国团队进行开发和维护，基于</span><span lang="EN-US">GPL</span><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">协议发布，可以在多个平台上运行，包括</span><span lang="EN-US">Windows</span><span style="font-family:宋体;mso-ascii-font-family:
Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">、</span><span lang="EN-US">Linux</span><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">和</span><span lang="EN-US">Mac OS X</span><span style="font-family:宋体;mso-ascii-font-family:
Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">。</span><span lang="EN-US"><o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US" style="line-height: 1.5;">GRASS </span><span style="line-height: 1.5; font-family: 宋体;">是开源地理空间基金会（</span><span lang="EN-US" style="line-height: 1.5;">OSGeo</span><span style="line-height: 1.5; font-family: 宋体;">）最初的八个软件项目之一。由于网站分布的问题，不同区域的用户访问</span><span lang="EN-US" style="line-height: 1.5;">GRASS</span><span style="line-height: 1.5; font-family: 宋体;">网站速度不一，像中国用户访问</span><span lang="EN-US" style="line-height: 1.5;">GRASS</span><span style="line-height: 1.5; font-family: 宋体;">官方网站就比较慢。为了解决这个问题，</span><span lang="EN-US" style="line-height: 1.5;">GRASS</span><span style="line-height: 1.5; font-family: 宋体;">网站允许其他服务器镜像其网站，以方便不同区域的用户。镜像站点是将网站的多个副本放置在不同的服务器上，为相同信息内容提供不同的源，这样可提高反应速度，用户可以在访问较少或相对速度较快的服务器上取得信息，提高了网络传输效率，也提高了网站的安全性。</span></p>

<p class="MsoNormal"><span lang="EN-US" style="line-height: 1.5;">OSGeo</span><span style="line-height: 1.5; font-family: 宋体;">中国中心为了方便中国用户的使用，由中国科学院东北地理与农业生态研究所负责，使用</span><span lang="EN-US" style="line-height: 1.5;">rsync</span><span style="line-height: 1.5; font-family: 宋体;">软件建立了</span><span lang="EN-US" style="line-height: 1.5;">GRASS GIS</span><span style="line-height: 1.5; font-family: 宋体;">网站镜像，为中国用户提供服务，网站地址为：</span><span style="line-height: 1.5;">
</span><span lang="EN-US" style="line-height: 1.5;">http://grass.osgeo.cn </span><span style="line-height: 1.5; font-family: 宋体;">。欢迎大家使用，如何有问题或建议，请与</span><span style="line-height: 1.5;"> </span><span lang="EN-US" style="line-height: 1.5;">bukun#osgeo.cn
</span><span style="line-height: 1.5; font-family: 宋体;">联系。</span></p>

<p class="MsoNormal"><span style="line-height: 1.5; font-size: 10.5pt; font-family: 宋体;">另外，</span><span lang="EN-US" style="line-height: 1.5; font-size: 10.5pt; font-family: Calibri, sans-serif;">OSGeo</span><span style="line-height: 1.5; font-size: 10.5pt; font-family: 宋体;">开源</span><span lang="EN-US" style="line-height: 1.5; font-size: 10.5pt; font-family: Calibri, sans-serif;">GIS</span><span style="line-height: 1.5; font-size: 10.5pt; font-family: 宋体;">实验室还维护了一份</span><span lang="EN-US" style="line-height: 1.5; font-size: 10.5pt; font-family: Calibri, sans-serif;">GRASS GIS</span><span style="line-height: 1.5; font-size: 10.5pt; font-family: 宋体;">教程，欢迎参考：</span><span style="line-height: 1.5; font-size: 10.5pt; font-family: Calibri, sans-serif;"> <span lang="EN-US">http://lab.osgeo.cn/docs/grass/</span></span></p></div><div><sign signid="0"><div style="color:#909090;font-family:Arial Narrow;font-size:12px"><br><br>------------------</div><div style="font-size:14px;font-family:Verdana;color:#000;"><div><div>Dr. Bu Kun <br>Remote sensing center, Information center 
<br>Northeast Institute of Geography and Agroecology, CAS</div><div>Email: <u>bukun@osgeo.cn</u></div></div>
</div></sign></div><div> </div>