analog single-crystal diffractometer

例句：

1. 1. Analog computersare used to solve problems that cannot besolved by digital computers.
   模拟计算机用于解决数字计算机无法解决的问题。
2. 2. The teacher used ananalog clock to explain the concept of time.
   老师用一个模拟时钟来解释时间的概念。
3. 3.Analog signals can be easily transmitted overlong distances without the need for high-speed communication equipment.
   模拟信号可以通过不需要高速通信设备的长距离传输。