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
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)