File list (Check if you may need any files):
2.独立按键\查询法\main.c
..........\......\main.LST
..........\......\main.OBJ
..........\......\main.__i
..........\......\pro
..........\......\pro.hex
..........\......\pro.lnp
..........\......\pro.M51
..........\......\pro.plg
..........\......\pro.uvopt
..........\......\pro.uvproj
..........\......\pro_uvopt.bak
..........\......\pro_uvproj.bak
..........\......\STARTUP.A51
..........\......\STARTUP.LST
..........\......\STARTUP.OBJ
..........\查询法
2.独立按键