C语言static静态变量的用法（新手必看） 在 C 语言中，普通的变量也叫动态变量，默认有个保留字 auto，可以省略。 如果在变量前面增加一个 static 修饰符，那这个变量就成了静态变量。 存储在静态数据区的变量会在程序刚开始运行时就完成初始化，也是唯一的一次初始化，声明它的函数共享这个变量。
Static - Wikipedia Static electricity, a net charge of an object Triboelectric effect, due to frictional contact between different materials Static spacetime, a spacetime having a global, non-vanishing, timelike Killing vector field which is irrotational Statics, a branch of physics concerned with physical systems in equilibrium Hydrostatics, the branch of fluid mechanics that studies fluids at rest