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【单选题】
关于主振型矩阵和正则振型矩阵的关系是（ ）。A.
将主振型矩阵的各列除以其对应主刚度矩阵的元素，得到的振型就是正则振型
B.
将主振型矩阵的各列除以其对应主质量矩阵元素的平方根，得到的振型就是正则振型
C.
将主振型矩阵的各列除以其对应主刚度矩阵元素的平方根，得到的振型就是正则振型
D.
将主振型矩阵的各列除以其对应主质量的元素，得到的振型就是正则振型
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举一反三
【单选题】The most notorious terrorist group against black civil rights workers in the South of America was known as ___
A.
The Black Muslims
B.
Federal Bureau of Investigation
C.
Student for A Democratic Society
D.
Ku Klux Klan
【简答题】A．talented B．difficult C．skillful D．notorious
【简答题】A．farraginous B．inviting C．mock D．notorious
【单选题】The most notorious terrorist group against black civil rights workers in the South was known as________________________.
A.
the Black Muslims
B.
Federal Bureau of Investigation
C.
Student for A Democratic Society
D.
Ku Klux Klan
【简答题】A．farraginous B．inviting C．mock D．notorious
【单选题】1995年中国政府以“一国两制”解决台湾问题的纲领性文件是()。
A.
《告台湾同胞书》
B.
《中国大陆和台湾和平统一的设想》
C.
《为促进祖国统一大业的完成而继续奋斗》
D.
“汪辜会谈纪要”
【单选题】The most notorious terrorist group against black civil rights workers in the South was known as .
A.
Federal Bureau of Investigation
B.
the Black Muslims
C.
Ku Klux Klan
D.
Student for A Democratic Society
【简答题】The most notorious terrorist group against black civil rights workers in the South was known as _________________.
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