Most Mandarin varieties have four tones. The final stops of Middle Chinese have disappeared in most of these varieties, but some have merged them as a final glottal stop. Many Mandarin varieties, including the Beijing dialect, retain retroflex initial consonants, which have been lost in southern dialect groups.
explorer.exe is a system process that is needed for your PC to work properly. It should not be removed. Check your system now to identify unused processes that are slowing down your computer. The explorer.exe file is an executable file for Windows Explorer.
Executable file (program). EXE is a file extension for an executable file format. An executable is a file that contains a program-that is, a particular kind of file that is capable of being executed or run as a program in the computer.An executable file can be run by a program in Microsoft DOS or Windows through a command or a double click.COM and BAT are other types of executable file types in Windows. A file whose name ends in .exe is really a program that when opened causes the operating system to run the program.Users who receive an .exe file as an e-mail attachment should always be sure that the file comes from a trusted source and does not contain a virus. file whose name ends in .exe is really a program that when opened causes the operating system to run the program. Users who receive an .exe file as an e-mail attachment should always be sure that the file comes from a trusted source and does not contain a virus.