1.
countercurrent exchange
反流交换（机制），逆流交换（机制）[如见于尿生成]
2.
the quality of being incapable of exchange or interchange.
不能交流或交换的性质。
3.
transmit thoughts or feelings.
交换看法或交流感情。
4.
communicate(with sb);exchange information,news,ideas,etc
交流情况、交换消息、交流思想等
5.
AC commutator type exciter
交流换向器式励磁机
6.
Fourier transform AC voltammetry
傅里叶变换交流伏安法
7.
three - phase commutator motor
三相交流换向器电动机
8.
cross flow heat exchanger
交叉流式热交换器（流体在其中相互垂直地流动）
9.
Communication by the exchange of letters.
通信联系通过信的交换而进行的交流
10.
Simulation on Lane-changing Behavior under Congested Weaving Sections
拥挤交通流交织区车道变换行为仿真
11.
Automatic exchange for DC and AC supply.
直流电源与交流供电能自动转换。
12.
a synchronous machine that converts alternating to direct current or vice versa.
直流电和交流电同步转换的机器。
13.
Design of New Transducer for AC Excitation Electromagnetic Flow Meter;
交流励磁电磁流量计新型转换器设计
14.
The Research on Three-phase AC/DC Matrix Converter
矩阵式三相交流—直流变换器的研究
15.
Main Technical Principles for Combining HV AC and DC Converter Station Construction
高压换流站交、直流合建主要技术原则
16.
The converter units generate harmonics which flow in the AC and DC lines.
换流器单元产生的谐波会流过交流和直流线路。
17.
Study of AC-DC-AC matrix converter based on AC chopper inverter
基于交流斩波逆变器的交直交矩阵变换器研究
18.
Converter stations transform alternating current to direct current for transmission and back to AC again for distribution to consumers.
换流站将交流电转换成直流电传输，然后又转换回交流电用于分配到用户。