n.累加器；蓄电池；积聚者
At any point, results can be extracted from the accumulator set. 任何时间点都可以从累加器集获取相应结果。
Accumulator and index register can be accessed by the programmer. 程序员可以对累加器和变址寄存器进行存取。
A fully charged accumulator has an open circuit terminal voltage of about 6.45v. 蓄电池充满电时，终端的开路电压约为6.
