将二元空气降温并使其液化,达到相平衡时,满足下面哪个关系式?
A: [img=70x30]1803a3c44729ba1.png[/img]
B: [img=78x33]1803a3c4504c4bf.png[/img]
C: [img=74x33]1803a3c4593849c.png[/img]
D: [img=74x33]1803a3c461a8154.png[/img]
A: [img=70x30]1803a3c44729ba1.png[/img]
B: [img=78x33]1803a3c4504c4bf.png[/img]
C: [img=74x33]1803a3c4593849c.png[/img]
D: [img=74x33]1803a3c461a8154.png[/img]
举一反三
- 数学关系表达式3[img=13x15]17e44380eeaa78e.png[/img]x[img=13x15]17e44380eeaa78e.png[/img]10表示成正确的Python表达式为 A: 3<;=x<;10 B: 3<;=x and x<;10 C: x>;=3 or x<;=10 D: 3<;=x and x<;=10
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- 求不定积分[img=115x46]17da65382f8e1b9.png[/img]; ( ) A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4
- 已知[img=52x29]18038be96ed0534.png[/img],[img=115x51]18038be97866e95.png[/img],在MATLAB中若想由x生成矩阵A可调用命令 A: A=[x,x.^2,x.^3] B: A=[x,x^2,x^3] C: A=[x;x.^2;x.^3] D: A=[x;x^2;x^3]
- 已知[img=52x29]1802e9891f49f72.png[/img],[img=115x51]1802e989277fcbc.png[/img],在MATLAB中若想由x生成矩阵A可调用命令 A: A=[x,x.^2,x.^3] B: A=[x,x^2,x^3] C: A=[x;x.^2;x.^3] D: A=[x;x^2;x^3]