The server's availability index is derived from the ratio between the current response time and the response time in optimum conditions (with no Domino transactions).
服务器的可用性指数是指当前响应时间和最佳响应时间（没有 Domino 事务）的比率。
2
The mic also features an extended frequency range response for optimum reproduction and clear sound, while special shock-mounting allows movement of the mic element to greatly reduce handling noise.