FCC的全位错的伯氏矢量是:
A: [img=98x59]18032575db6fdcb.png[/img]
B: [img=103x57]18032575e4735b4.png[/img]
C: [img=108x64]18032575ed97bf3.png[/img]
D: [img=108x60]18032575f5f25dc.png[/img]
A: [img=98x59]18032575db6fdcb.png[/img]
B: [img=103x57]18032575e4735b4.png[/img]
C: [img=108x64]18032575ed97bf3.png[/img]
D: [img=108x60]18032575f5f25dc.png[/img]
举一反三
- FCC的全位错的伯氏矢量是: A: [img=98x59]180325758a0ebb0.png[/img] B: [img=103x57]18032575928f1a6.png[/img] C: [img=108x64]180325759ac89a9.png[/img] D: [img=108x60]18032575a434ed8.png[/img]
- FCC的弗兰克不全位错的伯氏矢量是: A: [img=98x59]18032575fda8526.png[/img] B: [img=103x57]18032576058bfd2.png[/img] C: [img=108x64]180325760e74106.png[/img] D: [img=108x60]1803257617a24ac.png[/img]
- FCC的弗兰克不全位错的伯氏矢量是: A: [img=98x59]18032575abda656.png[/img] B: [img=103x57]18032575b3ebcb6.png[/img] C: [img=108x64]18032575bbe40f3.png[/img] D: [img=108x60]18032575c395632.png[/img]
- 令F(x):x是有理数,G(x):x是实数。将命题“所有的有理数都是实数,但有的有实数不是有理数”符号化为() 未知类型:{'options': ['17e0a83a4157352.jpgx(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))'], 'type': 102}
- 在下列命题中:如果f(x)=[img=28x44]17e0bf9914bb2f1.png[/img],那么[img=27x29]17e0bf97582597b.png[/img]f(x)=0;如果f(x)=[img=28x44]17e0bf992111a1c.png[/img],那么[img=27x29]17e0bf97582597b.png[/img]f(x)=0;如果f(x)=[img=55x44]17e0bf992d8de0a.png[/img],那么[img=29x29]17e0bf9939482bb.png[/img]f(x)不存在;如果f(x)=[img=87x53]17e0bf99450fa82.png[/img],那么[img=27x29]17e0bf97582597b.png[/img]f(x)=0。其中错误命题的个数是( A: 0 B: 1 C: 2 D: 3