| 英文摘要 |
In digital instruments, counters are the most versatile and the most varied. They can accurately calculate the frequency and period of the pulse wave to achieve timing, counting and sequence control functions. It is widely used in digital meters, electronic watches, computer chips, etc. In the industrial and commercial industries, it can be used to count the number of cans in a factory, to capture chemical doses in chemical pharmaceutical plants, and to control the sequence of production in factories of chemical plants. |
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