双显示的英文：
dual display

dual是什么意思：
adj. 双的；双重的
n. 双数；双数词

His dual role as composer and conductor.
他兼作曲家及指挥的双重身分。

Dual-color fruit coffee
双色水果咖啡

Dual moisture detection probes to eliminate false alarms
双重防潮保护的探针能够避免警报失灵或误报

This dual tug is apparent in the whole movement of expatriation
这种两面周旋的态度在整个寄居海外运动中极为明显。

Dual to the bad weather, I did not test.
由于坏天气，我没有测得结果。

display是什么意思：
v. 陈列，展出；表现，显露
n. 陈列品，展览品；显示，表现

A display device in which display images are generated on a display space by raster graphics
一种显示装置按光栅图形原理在其显示空间内产生显示图象。

The cakes were displayed in the window.
糕点陈列在橱窗中。

He displayed interest in archaeology.
他对考古学有兴趣。

The card of the race will be displayed soon.
赛马的节目单很快就会出来了。

digital television display system
数字电视显示系统