ǻ·ϢһֲƷڹСֳ㳡ϡʱķչѾССΪеһ羰ߡΪǴ˱ʹӺг
δɣ
νŲ֣
a.ƽ,ɸְֹܳѹƶ,νǿȸ,ͼԼִ,ֽṹ澭ϴܺƷʺͷ
b.,Ϊҿ,ҲһЩīӹֲ,ͿװԲ,,,װ侫Ȳ,ʽΪŷʽ,ʹ÷ǿ,
c.,ڲѹעճ,ƷȽϾ,,װ侫ȱŸ,,νڸ߶˲Ʒ,
d.ʯ,Իν,ʯӹ,ص,,ʹ
ľͷ֣
1.ԭľĹﴦȻɻɣȻһϵкڴ֤ƽܽᴦ,
2.ᴦ£ľͷͿдĥȥľͷẹ̈Ȼᡣ