(1/2)ҳ
ƺſǽһ漴Զ֡
˷㶵ʱֻ֮ǰʵսֳ
һɵijӣսڲƽɳĮ̲ƽȵʻţұһϿٶȣܿʻǰȻͣ
, һǰһ߳ЦŽܵǵսĹǷֱһս쳵һ֧ԮһܹһսԮ
ĵ̺ϵͳеṹһ, ΨһľǵĴ豸, Լܺս;вͬ
, ս쳵ͻ֧Ԯ˼壬һҪսִһЩսڶأЯһЩ֧ԮԶ̹˵ȣ֧ԮзػװĿꡣ
ܹأȽ⣬˴һͦ12.7ǹ⣬βһ˻֣װȵ˻˻Ҳܹ˻ԸIJͬѡҪս飬ԼصĿǶĿľȷʹá
һսԮβһᣬװߵܡҪĿľھսһЩԱǿٰȫսоΡ
ЩʵǰʵѾ, ֻǽIJרǻ˽, ֽһ顣
Ҳûżʶdzĵظ꣬ȻųʵսǴôչʾ
ѯʣæشģΪ˰ȫǰزչʾĿУûΪװʵģҪҲΪ˴ҵİȫ롣
أǻ˸װʵȻչʾһЩʵС
ΪڲԽΣĻҲû취սܷӳԽֻܿš
ǻὫ˵һЩдĵεò½صļԣʱǻȫ̽м¼صӰлĻҲչʾҹۿģԱڴҸõ˽ս
ԵĻ,
(1/2)ҳ,һҳĶ
ǩĶ