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【简答题】
简述复合材料的同心球壳模型和同轴圆柱模型的适用对象及特征。
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举一反三
【简答题】我们有如下代码:import numpy as np; x = np.array([[54, 21, 43],[7, 21, 17],[53, 47, 32],[37, 8, 99]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅输...
【单选题】一般来说,要求声音的质量越高,则()
A.
量化级数越低，采样频率越低
B.
量化级数越高，采样频率越高
C.
量化级数越低，采样频率越高
D.
量化级数越高，采样频率越低
【单选题】About _________ of the teachers in tour school were born in ________.
A.
two thirds, 1970
B.
two thirds, the 1970s
C.
two third, 1970s
D.
two third, the1970
【单选题】一般来说,要求声音的质量越高,则()
A.
采样频率越低和量化位数越低
B.
采样频率越低和量化位数越高
C.
采样频率越高和量化位数越低
D.
采样频率越高和量化位数越高
【单选题】of the teachers in our school women.
A.
Two thirds, are
B.
Two threes , is
C.
Two third, are
D.
Two thirds , is
【单选题】______ of the coats ________ made of cotton. They feel comfortable.
A.
Two-thirds; is
B.
Two-thirds; are
C.
Two-third; is
D.
Two-third; are
【简答题】我们有如下代码:import numpy as np; x = np.array([[4, 99, 23],[41, 47, 43],[56, 32, 49],[4, 36, 79]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅输...
【简答题】我们有如下代码:import numpy as np; x = np.array([[79, 32, 73],[30, 96, 58],[22, 13, 37],[3, 31, 20]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅...
【简答题】我们有如下代码:import numpy as np; x = np.array([[74, 30, 33],[4, 52, 36],[54, 56, 38],[19, 76, 9]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅输...
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