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(һ)бӳ̶ȷࣺ

1 б бصλƫб򣬵õںϹܡ ԴλڸһֱۺֻעʱۼλƫбȥڸۺƫбָֻбӣȺзռ 60%-80%ҶΪбֲ޲ʸУҽΡ

2ЪбӣΪЪбͼЪббӵصʱбʱб

(1)Ъб෢ڶͯбڣоʱһֻƫбظ

(2) ЪбȽ϶һڿԶעʱбܱλʱӳбʱԽԽбӶԽԽбӳȽϳʱ䣬еĵʱԴڣԼλ

3б ֲбӳ̶Ƚأ󲿷ʱбҲָܻλб½˫۵ӹɥʧ

()бעࣺ㶨бӺͽб

б۹̶һֻϣ½ƫעӡռͬбӵ 78%ҡбԳ֣۶ܽעӣ˫á

()бӷࣺ

бӿɷΪбббббַΪбͷǵбԼת ڡб

()ݷԭࣺ

1ͬб ˶ࡣ⼡֧⼡񾭻Ϊ λƫб˶ƣƫб̶ȡбӶȲ䡣

2б

(1)бӶڶͯ⼡֧⼡˶񾭷쳣 ʱ𡣶ΪֱбӣΪ˿˷бµĸӣͷͷλλ

(2)бӶˣ֢˵תޣԼתʱбӶȼӴбӶֻ۲ȣбעʱбӶȴ

ۿҽѣбӣڷ֣ҽΣӵķбҽѶȡҽбӸݲͬͣѡͬҽηбӶҪȫԶ۵ڹȡ꣹ǿĵбӣɲôбӿͨķʽ