R 系统变量

• R12SAVEACCURACY
• R12SAVEDEVIATION
• RASTERPREVIEW
• RECOMPUTEDIMBLOCKSREQUIRED
• RECOVERYMODE
• REFEDITNAME
• REGENMODE
• REMEMBERFOLDERS
• RENDERENGINE
• REPORTERROR
• REQUIREDVERSIONS
• RESTOREHATCHFROMBLKREF
• REVCLOUDCREATEMODE
• REVCLOUDGRIP
• RIBBONCONTEXTUALMODE
• RIBBONSTATE
• RTDISPLAY