M51
- 涡状星系
M51-
The microprocessor with executing an instruction in two machine cycles is compatible with M51 system microprocessor .
微处理器采用两个机器周期完成一条指令、与M51系列兼容8位微处理器；
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The paper introduces a method of simulating dual-port RAM with SRAM by TDMA in the data collecting system composed of an M51 microprocessor .
介绍了一种在51单片机采集系统中，使用普通SRAM，采用时分复用模似双口RAM的方法。
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The friability temperature is relatively lower with a unitary DAP plasticizer or with a DOA , DAP AND M51 multiple plasticizer system .
使用复配增塑剂时，DOA、DAP、M51增塑体系的脆性温度较低。