For the type of 89C52 microcontroller, provides an ultrasonic testing procedures, including the original ultrasonic for their own match, you can test whether it is available.

瓒呭０娉㈡祴璇?
瓒呭０娉㈡祴璇?echo.uvgui.hibru
瓒呭０娉㈡祴璇?echo.uvopt
瓒呭０娉㈡祴璇?echo.uvproj
瓒呭０娉㈡祴璇?Listings
.......................\echo.m51
.......................\STARTUP.lst
.......................\瓒呭０娉㈡ā鍧楁祴璇曠▼搴?lst
瓒呭０娉㈡祴璇?Objects
......................\echo
......................\echo.build_log.htm
......................\echo.lnp
......................\STARTUP.obj
......................\瓒呭０娉㈡ā鍧楁祴璇曠▼搴?obj
瓒呭０娉㈡祴璇?STARTUP.A51

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