单词：achromatic threshold
achromatic threshold的用法和样例：
例句
- An achromatic conformal optical system working within infrared waveband was designed.摘要设计了一个红外波段消色差共形光学系统。
- The achromatic and isochronous relations for the system are obtained by six dimension transport matrix method.根据六维传输矩阵导出了系统的消色差和等时性关系式。
单词：achromatic threshold 相关文章
D src=sound/d42.rm width=200 height=50 type=audio/x-pn-realaudio-plugin controls=
4+1听力口语MP3
A survey of China's new middle class claims that 72% suffer from sleeping problems and 31% have sex just once a month. 一份关于国内新锐中产阶层的调查称，72%的新锐中产睡眠有问题，31%的新锐中产性生活频率仅每月一次
英语新闻
HHP is a popular online abbreviation for haha point. Haha isan echoic word for laughter in Chinese and point is theChinese equivalent of threshold. Therefore, haha point refersto the threshold where you can be amused and burst intolaughter. HHP是网络
英文语法词汇
新东方4+1 听力 口语MP3-语音语调 Unit42 Part One 听辨练习 A. Listen ，circle the corresponding number if you hear ?????or ???? in the word. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. B. Write down the words you hear on the tape, then fill in the bl
新东方4+1听力口语
[ti:] [ar:] [al:] [by:] [00:00.53] A Good Friend 好朋友 [00:05.89]In kindergarten your idea of a good friend was the person [00:11.46]who let you have the red crayon [00:13.65]when all that was left was the ugly black one. [00:16.93]In primary sch
温馨夜读
Last year, the Electoral Commission reviewed MMP and reported to Parliament. The Commission recommended two small changes to MMP: to reduce the party threshold from 5% to 4% and to take away the electoral seat threshold. When we vote for Members of P
新西兰英语
中文 英文 缩写 暗斑/暗点 dark spot 暗边 dark side 暗淡面 dark tint face 暗导电率 dark conductivity 暗电流 dark current 暗电阻 dark resistance 暗电阻率 dark resistivity 暗光
电信英语
You see? If all you remember in years to come is the gay wizard joke, I've still come out ahead of Baroness Mary Warnock. Achievable goals--the first step to self-improvement. 你们知道吗？如果在若干年后你们还仅仅记得快乐的魔法师
偶像励志英语演讲
What Hudson is saying is that IQ is a lot like height in basketball. 在哈德森看来，一个人的IQ就如篮球运动员的身高一样。 Does someone who is five foot six have a realistic chance of playing professional basketball？ 一个身高
异类:不一样的成功启示录
今天我们要学的词是poverty。 Poverty, 是贫困的意思。To sink into poverty, 意思是陷入贫困。To fight poverty, 意思是打击贫困。美国人口普查局公布的最新数字显示，美国去年的贫困人口率出现下降，
英语每日一词
今天我们要学的词是 threshold. Threshold 是门槛，临界值的意思。I have a low threshold for alcohol . 我酒量小。有研究显示，Women have higher threshold for pain than Men. 女性比男性抗疼痛的能力更强。YouTube a
英语单词荟萃
BELGRADE, Feb. 22 (Xinhua) -- Hollywood star Michael Madsen opened the 41st annual international film festival FEST in Belgrade on Friday. FEST, which is the biggest film festival in the region, will run until March 3 and will show 75 films in eight
英语新闻
本期内容： Chinese internet giant Tencent has limited the hours that children can play several of its most popular games. Parents reportedly worry in particular about both the time and money spent playing Tencent's popular King of Glory mobile g
夏说英语新闻晨读
你是70后，80后，还是90后呢？难道都不是？看此篇文章的你是00后？OMG！岁月不饶人啊，你们怎么崛起得那么快？英文都知道该怎么表达了吗？ 80年代：in the 1980s 80年代初：In the early 80's 80后（
英语口语
你的笑点在哪里?你的痛点怎么这么低?类似这样的话题在网络上随处可见。是的，这是近两年网络上又新生的一种说法，笑点不同怎么做朋友?那么，你知道英文里是怎么表达笑点的吗? HHP is a
英语口语
今天我们要学的词是poverty。 Poverty, 是贫困的意思。To sink into poverty, 意思是陷入贫困。To fight poverty, 意思是打击贫困。美国人口普查局公布的最新数字显示，美国去年的贫困人口率出现下降，
英语单词荟萃
最近，相亲角视频刷爆朋友圈。今天，Jenny和自己的一位美国女生好友，跟大家聊聊美国女生是否面对剩女的标签、相亲的压力。 关键词： 美国有剩女标签吗？ Leftover women: 剩女 Leftover: 剩下的
美国文化脱口秀
你的笑点在哪里?你的笑点怎么这么低?类似这样的话题在网络上随处可见。是的，这是近两年网络上又新生的一种说法，笑点不同怎么做朋友?那么，你知道英文里是怎么表达笑点的吗? HHP is a
英语口语