单片机监控液滴流速并实时显示，可以自动控制电机使吊瓶上下运动进而改变流速。,SCM and real-time monitoring of droplet velocity showed that automatically controls the motor so that bottle on a string and thus change the flow up and down movement.

在所给的一系列字符串中找出有可能是DNA的子串(Find out in a given string of possible sub-strings of DNA)