位移传感器的工作原理，一般是通过电位器元件将机械位移转换成与之成线性或任意函数关系的电阻或电压输出。但是，为实现测量位移目的而设计的电位器，要求在位移变化和电阻变化之间有一个确定关系。电位器式位移传感
I am building a web application with Spring Security that will live on Amazon EC2 and use Amazon\'s Elastic Load Balancers. Unfortunately, ELB does not support sticky sessions, so I need to ensure my
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