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ʽSọ̇̄ɴɨ϶ȡ ¡̽ͷǣ K̽ͷKֵ TͲ赺
λ3λ9̽ʱȱݶλ һβ̽ʱȱݶλ
ͼ6 һβ̽ȱݶλ
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β̽ʱȱݶλ
ͼ7 β̽ȱݶλ
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sin? S2SS1
RͲ뾶 rͲڰ뾶
Sọ̇̄ɴɨȱݲλöȡ
λ̽ʱȱλÿʽ78910ãʱͲ⡢ʰ뾶RrԭͲڰ뾶RrijϵãϵΪ
λã1㡢5㡢711ĵʱϵΪ3
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ͼ5ʾӵλ06̽ʱɰƽ庸췽
ȱݶλλ39̽ʱȱݶλΪ
ͼ8 һβԲ̽ȱݶλ ͼ8ʾAΪ̽ͷ㣬OΪͲԲģrΪͲڰ뾶ȱAFS
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?? Sr?S?2Srcos?22?sin? 12
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R ʽУ1£sin-1sin£
r ȱԲľPΪ
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Sọ̇̄ɴɨȱݲֵλöȡ RͲ뾶
RͲڰ뾶
λ̽ʱӦʰ뾶̽Ӧλý . б̽ͷڽӹڱ̽
ͼʾб̽ͷڽӹڱ̽⺸죬ɰƽ庸̽˶ȱݶλʱȱ
̽ȵڽӹ赺ʱȱݴںӹۺߴȴڽӹ赺ʱȱݴںС
b. ʽǺ쳬̽ȱλõȷ
б̽ͷڽӹڱڶԺ̽ʱɰƽԽӺ췽ȱݶλ 9. ̽Ⲩ͵
ֱ̽ͷ˫ֱ̽ͷTͺ̽ʱزص㡣
ͼ10 ֱ̽ͷ̽زص
ͼ10ʾֱ̽ͷTͺλ1λ5̽ʱұߵĻزʾͼɨϻزΪײBͺۺȱFTۺߴȱʱ̽ͷλ3ʱȱݲF֡ײBĸ߶Ϊ80ͼ10̽ͷλ15̽ͷλ24ʱһ뺸죬ʱزΪײĶ֮һͼ10ʾ40Դ˹ɣȷTͺԵߡ б̽ͷTͺ츹̽ʱزص