A buffer overflow, or buffer overrun, occurs when a process attempts to store data beyond the boundaries of a fixed-length buffer.
当进程尝试将数据储存到固定长度的缓冲区的范围之外时，就会出现缓冲区溢出。
2
Water overflow in the top of tank combined with fixed water gun is suitable for fixed storage tank, and the safe valve with appropriate size shall be set simultaneously.
对于固定式储罐，建议采用储罐顶部水漫流冷却和固定水炮相结合的方式，同时应设置大小合适的安全阀；
3
Three small overflow dams with different grade in an urban river were constructed and the water quality in different fixed sample points were periodically monitored.