(1/2)ҳ
Сͣһ£ȻЦżܡ
DZ˻DZͷѲDZѲһЩơ
ȾΪҪ̣һDZͷ̻϶100ңһЩͷѲ̴ܹﵽ200ﵽ300ҡ
DZ˻600ﵽ800ңѾ൱һЩ̳Ѳ̡
ΪDZ˻ϻô̽һﵽ1200ﵽ1500ңζѾܹȼѲˡ
֮⣬ΪҪľͿʱ䡣ΪõǽҶƶʽڿͣʱ䣬dzķѲѲġ
ˣܶ˻һڿͿոʱ䣬ӶгʱսѰҵзĿչȷ
Сٶһ£ȻŽ⣬DZ˻ƾļ۸ˣɱֻͨѲ1/3ҡ۸ԽһĽ͡
ҲζǿøСɱľȷоһЩĿ꣬ǵͼֵĿ꣬dzʺӦһЩճԴ
ܶʱǵָӹٶ־ᣬǾһöļֵԶһЩоĿ꣬Ϊ˴ݻٶԷòʹãܻ
ʱɱ͵Ĺ˻ͿԳΪѡЩֵߵĵоĿꡣ
Сٻ˿Ȼڳ˼˵
ȻDZ˻ҲIJȱ㣬ٶȣڹĩ˵ٶȣ϶ûгĹ͵ٶȿģҲζڹĩ˸ױء
κŵͲ㣬ģʹãﳤ̣ܶ͵ÿʹߵǻۺ;ˡ
Сٵⷬܣڳ˶˵ͷ˻ĹٶǹʶΪĽṹͶġ
ҲС˵ÿһŵͲ㣬ʹãÿÿһλָӹٵѡ;ϡ
ûвõֻûöԵط
ⷬ漴תͷЦŽDZ˻ڸƺDZͧӵĴ
(1/2)ҳ,һҳĶ
ǩĶ