循环式规约(CDT) EB 90 EB 90 EB 90 71 F4 02 01 00 9B F0 01 00 00 80 F6 F1 00 00 00 00 94,F6为
循环式规约(CDT) EB 90 EB 90 EB 90 71 F4 02 01 00 9B F0 01 00 00 80 F6 F1 00 00 00 00 94,F6为
循环式规约(CDT) EB 90 EB 90 EB 90 71 F4 02 01 00 9B F0 01 00 00 80 F6 F1 00 00 00 00 94,控制字中帧类别为 F4,说明是状态
循环式规约(CDT) EB 90 EB 90 EB 90 71 F4 02 01 00 9B F0 01 00 00 80 F6 F1 00 00 00 00 94,控制字中帧类别为 F4,说明是状态
循环式规约(CDT) EB 90 EB 90 EB 90 71 F4 02 01 00 9B F0 01 00 00 80 F6 F1 00 00 00 00 94,信息字遥信以F0开始,01 00 00 80 为
循环式规约(CDT) EB 90 EB 90 EB 90 71 F4 02 01 00 9B F0 01 00 00 80 F6 F1 00 00 00 00 94,信息字遥信以F0开始,01 00 00 80 为
C大调正三和弦是哪三个和弦？ A: 135 246 461 B: 135 357 461 C: 135 246 357 D: 135 461 572
C大调正三和弦是哪三个和弦？ A: 135 246 461 B: 135 357 461 C: 135 246 357 D: 135 461 572
/ananas/latex/p/461
/ananas/latex/p/461
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在基于RS-485的MODBUS通信中,网关节点发送的报文是:02 02 00 00 00 01 B9 F9,则响应报文正确的是( )。 A: 02 02 01 01 60 0C B: 02 02 02 01 60 0C C: 02 02 01 00 01 60 0C D: 02 02 02 00 60 0C
在基于RS-485的MODBUS通信中,网关节点发送的报文是:02 02 00 00 00 01 B9 F9,则响应报文正确的是( )。 A: 02 02 01 01 60 0C B: 02 02 02 01 60 0C C: 02 02 01 00 01 60 0C D: 02 02 02 00 60 0C
F大调的Ⅰ级和弦是461。（ ）
F大调的Ⅰ级和弦是461。（ ）
查询图书编号是"01"或"02"的记录,可以在条件中输入（ ）。 A: "01" and "02" B: not in ("01" , "02") C: in ("01" , "02") D: not ("01" and "02")
查询图书编号是"01"或"02"的记录,可以在条件中输入（ ）。 A: "01" and "02" B: not in ("01" , "02") C: in ("01" , "02") D: not ("01" and "02")
筛选图书编号是“01”或“02”的记录,可以在准则中输入()A.()“01”()or()“02”()B.()not()in("01","02")()C.()in("01","02")()D.()not()("01","02")
筛选图书编号是“01”或“02”的记录,可以在准则中输入()A.()“01”()or()“02”()B.()not()in("01","02")()C.()in("01","02")()D.()not()("01","02")