例21-红外发射实验\hwx.c .................\hwx.OBJ .................\lhj .................\lhj.hex .................\lhj.lnp .................\lhj.Opt .................\lhj.plg .................\lhj.Uv2 .................\lhj_Opt.Bak .................\lhj_Uv2.Bak 例21-红外发射实验