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.
It is located in the Windows folder, but it is not a Windows core file. It is not a Windows core file. Explorer .exe is able to record keyboard and mouse inputs. Important: Some malware camouflages itself as Explorer .exe, particularly when located in the C:\Windows or C:\Windows\System32 folder.