񷨣·Ϊһ

2ҹʵһ˼ʾҪýܵԷʱ˼ʾЧʱΪ

AΪʱ

B˼ʾʱ纯ʼ

C˼ʾʱ

D˽˼ʾ

𰸡C

漰˼ʾЧʱ⡣ͨͺͬĹ涨˵˼ʾУ˼ʾֻеʱŷЧʱѡΪC

(3)ض˵ıʾԲض˵ıʾǰŵծ͹档

(4)ԻʾǶԻʾڶߵЧʱ䲻ͬԻ˼ʾʱЧͨ˵Ϊ˼ʾԷڿ͹Ͽ˽״̬ʱЧǶԻ˼ʾҹ·ɲɵ塣ͬ16涨ҪԼҪԼʱЧ

3˼ʾ覴ã

(1)թթָһʵʹԷΪΥԼʵ˼ʾΪ乹Ҫǣթ˵թΪթ˱թĹ⡣ΪʹԷթ󣬲Ϊ˼ʾĿġ˵թ۶󡣢ԷΪ˼ʾ˼ʾ֮ϵ

ʵ

ijӼ׼Ҿ߹˾ƱϳΪľɳһ飬󣬾˸֪ɳʵΪľһ֮ǮԶľɳ۸񰺹ľɳ۸ˡȻˡҪ׼Ҿ߹˾˻ڼ׼Ҿ߹˾˼ʾ覴úij׼Ҿ߹˾ΪӦ϶

Aթ˼ʾBش˼ʾ

CЧΪDڿɳΪ

𰸡AD

У׼Ҿ߹˾ɳΪľʵΪľƷԶ׼Ҿ߹˾ΪľľоģȨ汣Ĺ涨߳ٻģһӦ϶Ϊթ϶Ϊش⡣ʼ׼Ҿ߹˾Ϊթ˼ʾijͼ׹˾ĺͬijʶĺͬúͬ𺦹棬ΪɱɳĺͬΪЧͬijԺ߱ʱȷѡΪADijǼҾ߾Ӫ̣׼Ҿ߹˾ͬ׼Ҿ߹˾ľľijܴթشֿԡijԼ׼Ҿ߹˾թо֤Σ粻ֻܾ֤ܰش⴦

(2)вȡвָ˵вǿȶ־IJʵ˼ʾвȵĹҪǣввȵΪввȵĹ⡣вȵıڶԱ˵˼Ը档вȶ־״̬вȶΪ˼ʾ־޷ľأ˼ʾ֮ϵ