
&nbsp;12&nbsp;&nbsp;&nbsp;&nbsp;Ҫ<br />λħ11-13<br />ħһ<br />λ<br />&nbsp;&nbsp;&nbsp;12ճ˶棬ҵҪҲܸߡϣǶԼĴڼֵųߵı׼еĲȫгΪ̼ȥŬ֤ԼĶǣǿһһεؽ񣬻ǱԼں̵ܶƺܵĸ߶ȣȻʹǴ˾޴ѹ֮£ҲΪȻ֡ʹǵҪ󲻶࣬ҲܾԼɡ仰˵Ǿй͹ִǿ˸12ճˣʹǱȽܹˣҲشΣһӵˣŷݵĴǳнԶĳ̼ƻ<br />&nbsp;&nbsp;&nbsp;Һã12ճ˲ҪܶǿԳΪйŶӵһԱ긴һ꣬ʵֱִݺеӷʺǵĸԡˣʺϴ´⹤ǵԼߡֻҪԼʱȡƻͨ൱⡣ӵдµľ񣬶һǸĹʦǾƷѷ񡣾ǷǳǱõĹȴһʵʡзΧƣĿȷˣٳ֪£ҲԼĹֻ֡Ϊ߱׼ҪʹǺѴԼĳɾϵõĿ֡<br />&nbsp;&nbsp;&nbsp;12ճʵӦöݼ٣׵ź棬ΪȤͨԽ˺ദﵽĿġԼѸԽԽĽӴʵѽڣвȻʱ罻֤ǶԵģ׳ΪǽԼ˽Ϊ֮һˣ12ճˣҪάԺԻһ棬ֱ¡<br />&nbsp;&nbsp;&nbsp;<br />˱ע⣬ҪԼäĿǰܡѧϰҷĺ۽Ƕ˼<br />ֺػ<br />&nbsp;&nbsp;&nbsp;12ճ2Ӱ졣2ǸܺõĹ飬ȴѵ쵼ߡǴ˼ʹϵȻӰҲڸ˴⼰ƣ۸Ȼ⡣Ӱǣħǣʽʱ˿Ƴɹȴ¶ĸˣӵ2ָպ϶ǿܻܵ˵ıЩܱӡĸӦôӶϴעзֳһĸǡ<br /><br />&nbsp;&nbsp;&nbsp;12ճ˾ǵĺº͵ǷԽĹҲ⡣ĵĽԼԣӦرάĻܣرݡͷ͹ڹǸƻڵݼ٣ԼϢʳϰߺҲǿȽȤһ档̶һЩȤ12ճ൱İʹܣǿĮ״̬<br /><br />&nbsp;&nbsp;&nbsp;ҪģԼ롣׵ǳ͸Ϊ鷳գǵӱˣֱҲӦͬضԴ㡣ǧܾṩõġ˿ֵľ顣<br /><br />&nbsp;&nbsp;&nbsp;˰Ħ(Isaac<br />Asimov)ѧңһд500౾ѧ鼮ͿƻС˵硶Ļյǰһ꣬ÿһڿдһ顣<br />&nbsp;&nbsp;&nbsp;<br />ϲԱϴѧ<br />&nbsp;&nbsp;&nbsp;<br />ձżԱҰڷᣬĽ顷١<br />&nbsp;&nbsp;&nbsp;<br />ŷᶼ(Leon<br />Leonidoff)ߵˡ<br />&nbsp;&nbsp;&nbsp;<br />ɻķ˲׸(Louis<br />C.Breguet)ҲǷչ˾Ĵˡ<br />&nbsp;&nbsp;&nbsp;<br />̩Ͷ(Renata<br />Tebaldi)Ůվóݳںĸ硣<br />&nbsp;&nbsp;&nbsp;<br />Ӣ½ָӹ׷(James<br />Wolfe)ӢսеӢۣҲڴ33ꡣ<br />&nbsp;&nbsp;&nbsp;<br />ձຣ<br />&nbsp;&nbsp;&nbsp;<br />赸ʦά(Yuriy<br />Grigorovich)ർƣڳɹ֮硶ʯ˯ˡΪͲϷԺݰ硣<br /><br />&nbsp;&nbsp;&nbsp;Ƶĵ2ǡŮʦϣƽЩĪ⡣ӵԣص֣Щ֪ʶԵʱʾֱԼ浹ʱʾءɡĮͳٻ<br />˼<br />&nbsp;&nbsp;&nbsp;ǿжж<br />ŵ<br />&nbsp;&nbsp;&nbsp;иСȫĸ<br />ȱ<br />&nbsp;&nbsp;&nbsp;ơҪ<br />&nbsp;<br />&nbsp;<br />
