(1/2)ҳ
һǹݵģͷӦ˭ˡ
ǩպȻȥ㽭֮ǰڹDZ߷ġ
ǿʡ籨ʹʱԱȽϳһҪ 8Сʱһҡ
籨췢ġ
ΪʡԶ籨źŵĴҪʡеĵ籨תվתӺʹݣÿڶܻһӳ١
תվŶӵȴźŴеĸŵȣЩضӰ籨ʹٶȡ
ĵ籨Ҳܼ
룬ĸۣУף۾ӶʳδߣԪ۵硣
ǣ
ѾݣսĸȥۣDZߵѧУѾȫ¶۵ķҲźˣĿǰһ彡dzԶ̫ϰߣȵԪڣٴ۷籨
1977ĵ籨ɻǺͼʮǰһļ۸ķҪ㣬һһǮҡ
Ҫ10Ʒѡ
ͨ籨⣬ŵ籨籨Ӽؼ籨͵籨
ŵ籨ÿǮ籨ÿһԪǮ
Ӽؼ籨ӱշѡ
籨ͨƬ籨Ƭ籨ͨ漣籨漣籨
Щ籨ǰÿƽշѡ
˵籨⣬Ҫ֧ÿ0.005Ԫá
ϴߵʱ˵ط籨ƽ
˼ڷˡ
籨ͷҲͷˣҲûŻţϾҲ֪㽭סʲôط
籨Ż鷿ԾĦгȥЭͼͣȻҽоԺȥ
ȵ˻ҽоԺʱڹҺ
ĺͷдţ
һӭҽѧϰС顣
һ£ijǵ
Ƿһҡ
ǰˣǰذضˣŷް֣Ҳͨ˵İˡ
ǰͷ
Һͻ1958ʱġ
1968ʱǸͻ̱ʮ죬ҽƶӵĹҽʦʯѧģվ
ʱǹҵֽ
Եû뵽ǹҾȻѧϰˡ
ϰ칫ңûڣȥƽڵоҲûˣѯһº֪ԭȥȥˣһκÿ춼Ǹֱ棬ֻ顣
Ҳ֪ǻ˶Ϣһ˶
ȥ䡣
ڰ칫ҵˡ
ôˣǸż𣿡ĿԣУҵļٺ˶ڷż٣ԾȻˡ
һʣһʾⷽ¡
º˵
ϰIJˣ͵Ͽˡ
˱ˮ˵
룬ôţ
(1/2)ҳ,һҳĶ
ǩĶ