The circuit of Photoelectricity Weak Signal Detection, preamplifier circuit, difference circuit, modulation circuit, optical source thermal control and current drive circuit etc. are designed.

设计实现了基于差分后谐波检测的微弱信号处理电路、前置放大电路、差分电路、调制电路和光源温度控制电路及电流驱动电路等。

youdao

Braun notes that for people who handle only a couple of receipts a day, thermal paper is unlikely to be a major source of exposure.

布劳恩强调人们一天顶多接触很少几张打印凭据，热敏纸不可能是接触双酚A的主要来源。

youdao

Humans have been using underground thermal springs as a source of hot water for centuries - just visit an onsen resort in Japan.

数个世纪以来，人类一直在使用地热泉作为热水的一个来源-只要到日本的一个温泉度假胜地去看看就知道了。

youdao

After all, it seems pretty logical that they should be enhanced by global warming, as the thermal source that they convert to destructive kinetic energy is the heat of the ocean, which should go up with the surface temperature.

FORBES: Bringing Some Empirical Sense To All the Hurricane Hype