At the same time, to prevent the generation of latch-up, guard rings are added around the large dimension digital output inverter PMOS and NMOS transistors of the circuits.

同时，为了防止闩锁效应的产生，在电路的大尺寸数字输出反相器的PMOS管和NMOS管的周围增加了保护环。

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The excellent performance of digital pulse compression have been well known, the main problems for its application are a large quantity of operation, complex circuits and high cost.

数字脉冲压缩技术的优点已被普遍承认，制约其应用的一个主要问题是运算量大、设备复杂、成本高。

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Because the digital display meter adopts large scale integrated circuits, such as a microprocessor, the circuits are simplified.

该数显表由于采用了微处理器等大规模集成电路，使得电路简化。

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