Phosphor Y20 for low-light-level picture tubes and storage tubes
GB/T10318-1988夜视器件和存储管用Y20荧光粉
Through an analysis of the results, it can be concluded that the night-vision device will have a better response when the peak value of spectral response extends to near-infrared.
通过分析结果得出结论，即夜视器件要获得良好的响应，其峰值响应应向近红外波段延伸。
They have helicopters, GPS, night-vision units, communication retransmitters and so on.
装备有直升机、GPS、夜视仪、通信转播器等。
The gunsight has an infrared lens for night vision.
射击瞄准器装有用于夜间视力的红外线镜头。
A watch kept during normal sleeping hours.
守夜，值夜在正常睡眠时间里的监视
the policeman's nightly rounds
警察夜间的例行巡视
The owl sees best at night.
猫头鹰夜里视力最好。
Visual Range Evaluation of LLL Night Vision System with Laser Illuminator;
激光助视/微光夜视系统视距评估研究
machines kept running night and day
日夜不停运转着的机器.
This machine operates night and day.
这台机器日夜运转.
The machines run day and night.
机器日夜不停地转动。
Visual Simulation for the Low-Level-Light Vision Systems;
微光夜视仪野外视距仿真实验的研究
a late movie on television;the late flight to Denver.
电视里在深夜播放的影片；深夜飞往丹佛的航班
Evening Life and Evening Economy;
夜生活与夜经济:一个不容忽视的生产力
The Yelang in Different Field of Vision--Simultaneously Discussing the Relations Between Yelang and Hezhang;
不同视野下的夜郎——兼论赫章与夜郎的关系
The TV aerial blew down last night.
电视天线昨夜被风吹倒了。
STANO (Surveillance and Acquisition for Night Operations)
夜间作战的监视与目标捕获
Or gazed at the sun into fading night?
或者凝视太阳消失在昏暗的夜晚？