e^(ikλ)=1 为什么说kλ的非零最小值是2π 跪求量子力学高手！_百度知道
e^(ikλ)=1 为什么说kλ的非零最小值是2π 跪求量子力学高手！
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推出cos(kλ)=1，要求非零，sin(kλ)=0，kλ=2mπ，取m=1e^(ikλ)=cos(kλ)+isin(kλ)=1
知道了，谢谢的回答！
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出门在外也不愁杭州有没有什么好一点的画室啊？不要太贵的π_π有没有教的还凑合，又比较便宜的啊_百度知道
杭州有没有什么好一点的画室啊？不要太贵的π_π有没有教的还凑合，又比较便宜的啊
我有更好的答案
按默认排序
不过考北京适合。性价比，不错的，路易美术学堂汪钰林办的爱心学堂吧，不适合考国美
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出门在外也不愁高中物理 简谐运动中，钟摆问题 T=6 求摆长 为什么l=9 你、难道 π平方=10吗？ 题中没有说π为多少_百度知道
高中物理 简谐运动中，钟摆问题 T=6 求摆长 为什么l=9 你、难道 π平方=10吗？ 题中没有说π为多少
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有些时候可以粗略认为派方为10
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出门在外也不愁From Wikipedia, the free encyclopedia
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Pai Hsiao-yen (: 白曉燕; : 白晓燕; : Bái Xi?oyàn; : Pai Hsiao-yan; 23 June 1980 - 20 April 1997) was the only daughter of popular Taiwanese TV host and actress
and Japanese author .
Pai Hsiao-yen disappeared after leaving for her school, , on the morning of April 14, 1997. Her family received a ransom request of 5,000,000 (about $7,350,000 in 2015) along with a severed piece of her little finger and a photograph of a bound girl.
Press in Taiwan first reported the incident on April 23, 1997, which contradicted the accepted practice of reporting the kidnapping after its resolution. Some of the pre-planned ransom drops were aborted when kidnappers spotted police and media tailing Pai Ping-ping. However, after the abductors negotiated with the police for 11 days and changed the locations of payment more than 20 times, the police finally decoded the communication methods used by the abductors. In the subsequent police raid, one suspect was arrested while two other escaped after an intense gun fight with the police.[]
Pai Hsiao-yen's mutilated body, weighted down with dumbbells, was found in a drainage ditch on April 28, 1997. Investigators said that she had been dead for ten days before her body's discovery. Ransom negotiations had continued after the likely time of Pai' an impersonator placed a telephone call to give Pai Ping-ping the impression that her daughter was alive. Tim Healy and Laurie Underwood of
said that Pai was "apparently tortured" before her death. The photograph of her naked dead body was leaked to the mass media, including the
which printed it.
Twelve accessories were arrested, but three main criminals, Chen Chin-hsing (陳進興; 陈进兴; Chén Jìnxīng), Lin Chun-sheng (林春生; Lín Chūnshēng), and Kao Tien-min (高天民; Gāo Tiānmín) escaped. A fourth person, Chang Chih-hui (張志輝; Zhāng Zhìhuī, Chen's brother-in-law) was suspected of involvement, but his sentence was eventually overturned for insufficient evidence. An island-wide manhunt began and the police were ordered to shoot the suspects without warning if they showed any sign of resistance.[]
While being pursued, the trio abducted a Taipei County councilor in June 1997 and a businessman in August 1997. On August 19, the trio was spotted by two foot patrol police officers on Wu Chang Street (五常街) in Chungshan District, Taipei. A brief exchange of fire ensued and Lin turned the gun on himself after h one of the officers was killed and the other one was wounded. Lin died around 11:55 AM. Reinforcement was immediately rushed to the neighborhood, and more than 800 officers conducted a thorough search, which turned up nothing.
On October 23, Kao and Chen shot and killed a plastic surgeon, his wife, and a nurse after forcing them to perform
on them. Kao and Chen eluded a massive police search in early November 1997. A few days later, Kao was spotted by the police and shot himself when police attempted to arrest him on November 17.
The last criminal, Chen Chin-hsing, broke into the residence of a
on November 18, but eventually surrendered to the police after negotiation initiated by politician . After being granted media access, Chen confessed to the April kidnapping and other crimes. Chen was
on October 6, 1999, after being convicted in December 1998 for kidnappings, murders, and multiple counts of sexual assaults.
Demonstrators marched on 4 May 1997 and 18 May 1997, demanding 's resignation over the rise in violent crime as evidenced by the then-unsolved murders of Pai,
and . Eight media organizations, including the China Times, which ran the photograph Pai's body, were condemned during the first protest.
offered an apology on 15 May 1997, stating Lien would be relieved of his duty as premier and the Cabinet would be reshuffled. , who was serving as , resigned following the first protest. , who was serving as , also resigned his post following the first protest. Lien Chan resigned his post as
on 22 August 1997, as did the director-general of the , Yao Kao-chiao. Lien had repeatedly offered to resign in the
he retained his post as , however.
劉峻谷; 唐復年; 鄭國樑; 曾增勳 (27 April 1997). . . Archived from
on 14 February . 十七歲的白曉燕是白冰冰的獨生女，就讀林口鄉醒吾中學二年級，十四日上午七時四十五分從林口鄉忠孝路家中出門上學，但並沒有到學校。
Healy, T Underwood, Laurie (May 16, 1997). .
Blatt, Jason (29 April 1997). . South China Morning Post (Hong Kong) 2015.
. Taiwan Association for Human Rights. 1997. Archived from
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Chuang, Jimmy (29 October 2004). . Taipei Times 2015.
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Chen, M Williams, Scott (translator) (December 1999). . Taiwan Panorama 2015.
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Huang, Annie (19 November 1997). . AP News Archive. AP 2015.
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Furse, Jane (11 May 1997). . New York Daily News. News Wire 2015.
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Lloyd-Parry, Richard (13 July 1997). . The Independent (UK) 2015.
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: Hidden categories:一个圆柱体的底面直径是d,高是πd,它的侧面展开图可能是正方形.请看清楚说的是可能,那就代表还有别的可能,谁能告诉我另外的是什么._百度作业帮
一个圆柱体的底面直径是d,高是πd,它的侧面展开图可能是正方形.请看清楚说的是可能,那就代表还有别的可能,谁能告诉我另外的是什么.
这句话是对的我想它只可能是正方形 ,因为高和底面周长都是πd.
就是一个正方形，没其他可能。高和底面周长都是πd。展开只能是正方形。
但题目为什么说是可能呢 如果这样应该说一定啊
你自己可想，还可能有第二种情况吗？题目是不是有问题？