【简答题】电桥相邻两臂称为相邻臂(如R1与R2,R3与R4),相对两臂成为相对臂(如R1与R4,R2与R3)。当满足()时,电桥处于平衡状态。
【单选题】ARM 指令 LDMIAR0,{R1,R2,R3,R4} 实现的功能是( )
A.
R1 ← [R0] , R2 ← [R0+4] , R3 ← [R0+8] , R4 ← [R0+12]
B.
R1 ← [R0] , R2 ← [R0-1] , R3 ← [R0-2] , R4 ← [R0-3]
C.
R1 ← [R0] , R2 ← [R0+1] , R3 ← [R0+2] , R4 ← [R0+3]
D.
R1 ← [R0] , R2 ← [R0-4] , R3 ← [R0-8] , R4 ← [R0-12]
【简答题】A.ρ={R1(CSG),R2(CT),R3(THI),R4(HIC),R5(HSI)} B.ρ={R1(CSG),R2(CT),R3(THI),R5(HIC)} C.ρ={R1(CSG),R2(CT),R3(THI),R4(HSI)) D.ρ=(R1(CSG),R2(CT),R3(HIC),R4(HSI)}
【单选题】ARM指令LDMIA RO,{R1,R2,R3,R4}实现的功能是
A.
R1←[R0],R2←[R0+4],R3←[R0+8],R4←[R0+12]
B.
R1←[R0],R2←[R0-1],R3←[R0-2],R4←[R0-3]
C.
R1←[R0],R2←[R0+1],R3←[R0+2],R4←[R0+3]
D.
R1←[R0],R2←[R0-4],R3←[R0-8],R4←[R0-12]
【单选题】(SIEMENS系统)程序段N10 R1=30 R2=32 R3=50 R4=20;N20 G00 X=R2*SIN(R1)+R4 Z=R2*COS(R1)+R3;中,只对X坐标值有影响的R参数是( )。