rng是什么意思，rng文件怎么打开？
rng文件扩展名，rng文件怎么打开？
.rng
文件类型1：RELAX NG File
文件说明：
File used for validating .XML documents; uses a simple schema language for XML that focuses on the description and validation of the structure and content of an XML document打开.rng文件
Mac OS
Sun Microsystems OpenOffice.orgWindows
Sun Microsystems OpenOffice.orgLinux
其它内容
.rng
文件类型2：Nokia Composer Ringtone
文件说明：
Monophonic ringtone format used by Nokia cell phones; can be created using the Nokia Composer program included with certain Nokia phones; because it is a monophonic format, only one note can be played at a time打开.rng文件
Mac OS
Windows
Audio-Ware Ringtone ConverterLinux
来源：.rng文件
cob是什么意思，cob文件怎么打开
contact是什么意思，contact文件
cpgz是什么意思，cpgz文件怎么打
cod是什么意思，cod文件怎么打开
copy是什么意思，copy文件怎么打
col是什么意思，col文件怎么打开
cph是什么意思，cph文件怎么打开
cor是什么意思，cor文件怎么打开
cpi是什么意思，cpi文件怎么打开
colorpicker是什么意思，colorpi