In this paper we describe a method to improve the recording sensitivity by twice reflections of light ray without changing the inherent sensitivity of the instrument.

本文在基本不改变仪器固有灵敏度的前提下，采取记录光线二次反射法，以提高仪器的记录灵敏度。

youdao

This paper briefly introduces the concrete application of CPLD in the design of hardware and software of the recording instrument system, and expounds the working principle of CPLD.

简要介绍了CPLD在记录仪系统硬件设计与软件设计中的具体应用，阐述了CPLD的工作原理。

youdao