该电路简单实用，成本低，故障率小，工作可靠，使用方便，维修容易，有较好的经济效益。
The circuit is simple practical, cost low, trouble small, work dependable, usage convenience and good economic performance.
最后，就这两种计数器在电路结构和经济性能方面进行了分析比较，论证了二—N进制计数器的优点。
Finally an analytic comparison is made between those two kinds of counters in both their circuit structure and economic property, and hence the advantages of the binary-N carry counter are proved.
举例来说，与生产有限，党的文书，当秩序党的面具，微电路是在经济上没有道理的。
For example, with the production of limited party of instruments, when the order of the party mask microcircuits is economically not justified.
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