1·MX (mail exchanger) — the hostname of a server responsible for handling E-mail for the domain.
MX(邮件交换器)——负责处理该域的电子邮件的服务器主机名。
2·The mail exchanger records are used by mail transport agents like sendmail and postfix when looking up where to send E-mail.
邮件交换器记录由诸如sendmail和postfix等邮件传输代理在查找电子邮件发送目的地时使用。
3·The running period is always unstable, since the double-room anion exchanger of the water treatment plant have restricted the economic running seriously.
水处理站双室阴离子交换器自投运以来周期一直不平稳，严重的制约着水处理站的经济运行。
4·The new method of thermodynamic calculation (the contrast model method) for air-air crossflow wet heat exchanger with wet air condensing first at the entry is proposed in this paper.
本文对一开始就冷凝的叉流式空气-空气湿热交换器提出一种新的热力计算法，即对比模型法。
5·This article presents the principle, configuration and characteristics of floating-bed ion exchanger with double Chambers and double layers.
叙述了双室双层浮动床离子交换器的原理、结构及特点。