OpenGIS开放式地理数据互操作规范openadj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开open column base外露式柱脚open die forging自由锻造open river stage畅廉位open-top mixer敞顶拌和机open flow system开管流动系统open drop method开放点滴法opencenter valve中心开口阀open dislocation开放性脱位open circulation开式循环open aestivation张开花被卷叠式