Introduces a multi-master technology based on MODBUS, which divides all the masters in one network into one master-in-charge and several master-in-listening.
在MODBUS的基础上提出了一种多主站技术，该技术将网络上的多个主站分成一个责任主站和若干个监听主站。
42the Lord answered, "who then is the faithful and wise manager, whom the master puts in charge of his servants to give them their food allowance at the proper time?"
主说：“谁是那忠心有见识的管家，主人派他管理家里的人，按时分粮给他们呢？”
It received a significant boost when Citibank merged its proprietary Everything Card (launched in 1967) into Master Charge in 1969.
1969年花旗银行将旗下的Everything卡(发行于1967年)并入万事签，使后者的业务得到显著提升。
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