In some case,the axial distance from the sample to the lens is long in laser particle size measurement,so vignette appears because the lens aperture is limited,which reduces the measure precision and accuracy.
激光粒度测量中,当样品到透镜的轴向距离较大时,由于透镜口径有限,会因渐晕而降低测量的精度和准确度。
Simulation of the vignetting effect resulted from optical system in infrared image generation;
红外热像仿真中光学系统渐晕效应模拟研究
Due to the problem that the relative parameters of aviatic sensing image are often difficult to get,A line scan and data fitting method was presented in order to obtain whole gray change in image,and then to correct image vignetting phenomenon.
针对航空遥感影像在拍摄过程中相关参数不易获取的问题,提出了利用逐行扫描及数据拟合的方法来获取影像整体灰度变化情况,从而实现影像渐晕现象的复原。
Based on vignetting factor analysis,it is shown that the field of view are different in the energy non-dispersion plane and in energy dispersion plane,because of the different combination of aperture stop and vignetting stop.
通过对三重四极透镜成像系统的渐晕模拟,研究了并行电子能量损失谱仪中物方视场、漂移管径以及与电荷耦合探测器(CCD)幅面尺寸的对应关系,并由它们间的相互关系确定了与CCD幅面二维探测器尺寸相匹配的漂移管径。
Vignetting Correction Method of Image Based on Gaussian Quadrics Fitting
基于高斯曲面拟合的影像渐晕复原方法
When Hung-chien saw no sign of life after knocking over the chair, he lost his nerve and, afraid she had fainted, hurriedly switched on the light.
鸿渐翻了椅子，不见动静，胆小起来，想柔嘉不要晕过去了，忙开电灯。
Hung-chien said with a laugh, "I'm afraid I'll faint, too, so I'm not going up either," and he told the errand boy to run up, open the windows, and bring down the books.
鸿渐笑道：“我也怕晕倒，我不去了。”便叫工友上去开窗子，把书带下来。
a serious chronic and progressive inflammation of the colon producing frequent bouts of diarrhea with abdominal pain and nausea and fever and weight loss.
严重的慢性,渐进直肠发炎:反复腹痛,腹泻,发烧,头晕,和体重下降。
a good [ bad ] sailor
不晕船[晕船]的人
When Hung-chien, also feeling giddy and queasy, caught a whiff of this, he could stand it no longer and hurriedly pulled out his handkerchief to press against his mouth and stop the flow of vomit.
鸿渐也在头晕胃泛，闻到这味道，再忍不住了，冲口而出的吐，忙掏手帕按
David Robinson of the San Antonio Spurs is recovering after being knocked unconscious after a Blow to the head by Utah Jazz's Karl Malone.
圣安东尼奥马刺队的戴维·罗宾逊被尤他爵士队的卡尔·马龙击中头部晕倒后,现正在逐渐康复。
I was dizzy and close to fainting.
我头晕眼花，差一点晕倒。
I would be airsick. (Ship sick) Please give me some pills.
我有一点晕机(晕船)可否给我一些晕机(船)药?
Having a reeling, lightheaded sensation; dizzy.
头晕的，眼花缭乱的有旋转或晕眩感觉的；眩晕的
suffer from(an attack of)vertigo
感到（一阵）眩晕.
travel sickness
ph.1. 旅行眩晕
by [ in ] drib(b)lets
一点一点地, 渐渐
come over `dizzy,`faint,`giddy,etc suddenly feel dizzy,faint,giddy, etc
突然感到头晕目眩、要昏倒、发晕等
Hsin-mei said, "It's a little rough now.Do you feel seasick?"
辛楣说：“这时候有点风浪，你晕船不晕船？”
A stunned or bewildered condition.
恍惚，晕眩处于晕眩或迷惑的状态
She sat down, pale and faint.
她坐下时，脸色苍白，晕晕糊糊。
True vertigo should be distinguished from pseudovertigo.
真性眩晕应当与假性眩晕区别开来。