The relations between electron trap and photoelectron lifetime are given. The major reacting processes are analysed.

The conception of electron trap and the process of free photoelectron trapping are introduced in detail.

详细介绍了电子陷阱的概念以及电子陷阱对自由光电子的束缚过程.

The equation of Einstein photoemission can fully explain experimental rule of photoemission.

爱因斯坦光电效应方程可以完满地解释光电效应的实验规律.

It attacks most metals and is used for etching steel and photoengraving.

能与大多数金属起作用,用于蚀刻钢材和光刻.

You'd better apply a photoflash if you take a photo in a room.

如果在室内拍照,你最好用一只闪光灯.

Something seems wrong with the photoflash in my camera.

我相机的闪光灯似乎有毛病.

For photoflash, lead wire type, small size, Low loss factor, high stability.

闪光灯用引线式产品, 体积小, 损耗小, 性能稳定.

You are very photogenic.

你很上像.

Well, I do not consider myself photogenic.

呃, 我不认为自己很上相.

Study photogenic people as well as photos in which you think you looked best.

研究那些特别上镜的人和那些你看上去最棒的照片.

Then came the gulf disaster. Suddenly, environmental destruction was photogenic again.

就在这时海湾灾难发生了. 忽然之间, 对环境的破坏重新成了电视聚焦点.

Beach clean water, the photogenic powder white sand , gentle terrain.

海滩水质清澈, 沙白细柔, 地势平缓.

I can only say that he is indeed a very photogenic.

我只能说是自己真的很不上镜了.

But he's got a winning personality, he's photogenic, and he comes with a crowd-pleasing style.

他的气质很迷人 、 长相上镜 、 拳击风格赏心悦目.

She's very photogenic so the camera just loves her.

她非常上镜头所以大家的照相机都喜欢拍她.

I'm not very photogenic.

我这人不大上相.

Table-cloth decorated with the shadows of table arrangement , projected on the cloth by a photogram technique.

用照片技术将桌上摆设的阴影装饰桌布.

The Photogrammetric and Air Survey Section takes aerial photographs a regular basis and for various purposes.

测绘处的摄影及航空测量小组,定期为不同目的拍摄照片.

It has both the accuracy, simplicity of photogrammetric calibration and the flexibility of self-calibration.

这种定标技术既具有摄影测量学定标算法的精确性 、 简单性又具有自定标算法的灵活性.

The camera calibration is of utmost importance for the precision of photogrammetric system.

摘要相机的标定对于整个摄影测量系统的精度起着至关重要的作用.

Affordable: Most affordable 2-in-l scanning system to generate data of photogrammetry-level accuracy.

价格实惠: 采集扫描并生成照相级的高精度数据,实惠的价格即可拥有合二为一的功能.