程序段N20 G00 X65.0 Z0.0; N25 G90 X60.0 Z–35.0 R–5.0 F0.1;可以用程序段()代替(FANUC系统)。
A: N20 G00 X65.0 Z0.0; N25 G90 U-5.0 Z–35.0 R–5.0 F0.1
B: N20 G00 X65.0 Z0.0; N25 G90 X60.0 W–35.0 R–5.0 F0.1
C: N20 G00 X65.0 Z0.0; N25 G90 U-5. W–35.0 R–5.0 F0.1
D: N20 G00 X65.0 Z0.0; N25 G90 U5.0 Z–35.0 R–5.0 F0.1
E: N20 G00 X65.0 Z0.0; N25 G90 X60.0 W35.0 R–5.0 F0.1
A: N20 G00 X65.0 Z0.0; N25 G90 U-5.0 Z–35.0 R–5.0 F0.1
B: N20 G00 X65.0 Z0.0; N25 G90 X60.0 W–35.0 R–5.0 F0.1
C: N20 G00 X65.0 Z0.0; N25 G90 U-5. W–35.0 R–5.0 F0.1
D: N20 G00 X65.0 Z0.0; N25 G90 U5.0 Z–35.0 R–5.0 F0.1
E: N20 G00 X65.0 Z0.0; N25 G90 X60.0 W35.0 R–5.0 F0.1
A,B,C
举一反三
- 程序段N20 G00 X65.0 Z2.0; N25 G94 X40.0 Z0.0 F0.1;可以用程序段()代替(FANUC系统)。 A: N20 G00 X65.0 Z2.0; N25 G94 U-25. Z0.0 F0.1 B: N20 G00 X65.0 Z2.0; N25 G94 X40.0 W-2.0 F0.1 C: N20 G00 X65.0 Z2.0; N25 G94 U-25.0 W-2.0 F0.1 D: N20 G00 X65.0 Z2.0; N25 G94 U0.0 Z0.0 F0.1 E: N20 G00 X65.0 Z2.0; N25 G94 X40.0 W0.0 F0.1
- 程序段N25 G90 X60.0 Z–35.0 R–5.0 F3.0;中R为被加工锥面大小端半径差。
- 程序段N25 G90 X60.0 Z–35.0 R–5.0 F3.0;中R为被加工锥面大小端半径差。 A: 正确 B: 错误
- 设有关键字序列F={Q,G,M,Z,A,N,P,X,H},下面( )序列是从上述序列出发建堆的结果。 A: A,G,H,M,N,P,Q,X,Z B: A,G,M,H,Q,N,P,X,Z C: G,M,Q,A,N,P,X,H,Z D: H,G,M,P,A,N,Q,X,Z
- 下列哪个不是环同态() A: Z→Z,n→n B: Z→Z,n→n+1 C: R→M_2(R),a→diag(a,a) D: R[x]→R,f(x)→f(a)
内容
- 0
下列函数是双射的为_________。 A: :Z—整数集,E—偶数集,N—自然数集,R—实数集) B: f:Z→E,f(x)=2x C: f:Z →N,f(x)=|x|+1 D: f:N→N×N,f(x)=(x,x+1) E: f:R→Z,f(x)=[x]
- 1
设有一个关键码序列:Q,G,M,Z,A,N,P,X,H;下列序列中与上述序列对应的堆是________。 A: A,G H,M,N,P,Q,X,Z B: A,G M,H,Q,N,P,X,Z C: G M,Q,A,N,P,X,H,Z D: H,G M,P,A,N,Q,X,Z
- 2
设有关键码序列(q,g,m,z,a,n,p,x,h),下面的序列()是从上述序列出发建堆的结果。 A: a,g,h,m,n,p,q,x,z B: a,g,m,h,q,n,p,x,z C: g,m,q,a,n,p,x,h,z D: h,g,m,p,a,n,q,x,z
- 3
公式"x ( F(x,y,z ) → "y ( G(x,y,z) → "z H(x,y,z) ) )的前束范式为 A: "x$y$z (F(x,t,w) → ( G(x,y,w ) → H(x,y,z) ) ) B: $x$y$z (F(x,t,w) → ( G(x,y,w ) → H(x,y,z) ) ) C: "x"y$z (F(x,t,w) → ( G(x,y,w ) → H(x,y,z) ) ) D: "x$y"z (F(x,t,w) → ( G(x,y,w ) → H(x,y,z) ) )
- 4
普通话声母的擦音是(<br/>)。 A: z zh j B: x f r C: n x g D: s t f