题目内容

石子最大粒径指的是？

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石子间断级配指的是？

When the timer T1 of 8051 is used as counting mode and mode 2 is used, the control word of working mode is ().

A. 60H
B. 02H
C. 06H
D. 20H

When the timer T1 of 8051 is used as timing mode and mode 1 is used, the initialization programming is ().

A. MOV TOMD,
B. 01H
C. MOV TOMD,
D. 50H
E. MOV TOMD,
F. 10H
G. MOV TCON,
H. 02H

The command to start timer 0 to start counting is to make TCON.

A. TF0 position 1
B. Tr0 position 1
C. Tr0 position 0
D. Tr1 position 0