• 2022-06-15 问题

    如果337×N的平方=1的平方+2的平方-3的平方+…+337的平方,则N=_____.

    如果337×N的平方=1的平方+2的平方-3的平方+…+337的平方,则N=_____.

  • 2022-06-19 问题

    In 1803 the United States purchased Louisiana from _____.

    In 1803 the United States purchased Louisiana from _____.

  • 2022-06-05 问题

    已知正弦交流电压u=311sin(628t-Π/6)V,它的最大值是: A: 311V B: 311√2 C: 311/√2 D: 311/√3

    已知正弦交流电压u=311sin(628t-Π/6)V,它的最大值是: A: 311V B: 311√2 C: 311/√2 D: 311/√3

  • 2022-06-09 问题

    测得某立方晶系物质有一组衍射面(123),(100),(200),(311),则这些晶面在XRD图谱上出现的位置(从小到大)依次为( ) A: (A) (123)<;(100)<;(200)<;(311) B: (B) (311)<;(100)<;(200)<;(123) C: (C) (100)<;(200)<;(311)<;(123) D: (D) (123)<;(311)<;(200)<;(100)

    测得某立方晶系物质有一组衍射面(123),(100),(200),(311),则这些晶面在XRD图谱上出现的位置(从小到大)依次为( ) A: (A) (123)<;(100)<;(200)<;(311) B: (B) (311)<;(100)<;(200)<;(123) C: (C) (100)<;(200)<;(311)<;(123) D: (D) (123)<;(311)<;(200)<;(100)

  • 2022-06-19 问题

    In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.

    In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.

  • 2021-04-14 问题

    (311)8=(________)10

    (311)8=(________)10

  • 2021-04-14 问题

    ( 311 )8=(________)10

    ( 311 )8=(________)10

  • 2022-05-26 问题

    国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923

    国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923

  • 2022-06-03 问题

    霍尔效应哪一年发现的? A: 1881 B: 1879 C: 1803 D: 1831

    霍尔效应哪一年发现的? A: 1881 B: 1879 C: 1803 D: 1831

  • 2022-06-06 问题

    How does Linda know that Lee is at the city A: The No. 311 on the second floor. B: The No. 311 on the third floor. C: The No. 211 on the second floor.

    How does Linda know that Lee is at the city A: The No. 311 on the second floor. B: The No. 311 on the third floor. C: The No. 211 on the second floor.

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