There is a common misconception that Spring injection is static and hence necessarily stateless.
通常有这样的误解，就是Spring注入是静态的，因此必然是无状态的。
2
The balance method of computer spring machine can be divided into static balance method and dynamic balance method.
电脑弹簧机的平衡方法可以分为静平衡法和动平衡法。
3
So, it is necessary to design a special apparatus satisfied with testing demands in order to improve the testing level of relay's static attractive force and spring force characteristics.