All we know is that in 610 A. D. a monk in northern Italy first twisted the pretzel into its unusual shape.
我们所知的只是在公元610年，意大利北部有个修道士第一次把一种面包扭曲成这种与众不同的形状。
In the system, a computer is applied to adjust a D/A device and a precise voltage divider for criterion signal output.
该系统利用计算机控制D／A转换器及精密电阻分压器，输出标准电势作为被检仪表的信号源；
Liu Xie (465-532 A. D.), a Chinese literary critic, was the author of WEN XIN DIAO LONG, a comprehensive work on literary theory.
刘勰(约公元465—532年)是《文心雕龙》作者，他是我国古代文学评论家。
This paper describes the input circuit and anti-interference measures of A-D-A type digital frequency discriminator used in the speed governing system of hydraulic turbines.
本文介绍用于水轮机调速系统中的A-D-A型数字鉴频器的输入电路和抗干扰措施。
This paper describes the input circuit and anti-interference measures of A-D-A type digital frequency discriminator used in the speed governing system of hydraulic turbines.
本文介绍用于水轮机调速系统中的A-D-A型数字鉴频器的输入电路和抗干扰措施。
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