导频滤波器

pilot filter的用法和样例：

例句

This paper presents a theoretical study of the tunability of frequency selective filter extended cavity semiconductor lasers.本文分析选频滤波器负载外腔半导体激光器的调谐特性。
An external pop protection screen may be necessary when close-miking vocalists.The use of a low frequency cutoff filter may also be effective.当麦克风很靠近演唱者时，可能需要加一个外部静电噪音保护屏，使用一个低频截频滤波器也可能有效。

EXPLORATIONS - Wiley Post: The First Pilot to Fly Around the

EXPLORATIONS - Wiley Post: The First Pilot to Fly Around the World Alone By Paul Thompson Broadcast: Wednesday, September 14, 2005 ANNOUNCER: Now the VOA Special English program, Explorations. Today S

发表于:2018-12-01 / 阅读(137) / 评论(0)

Explorations

掌握英语发音第一章第三节

[00:00.00][s],[ ][ ] [00:38.61]sea/sheet/chicken [00:42.66]Exercise One: Word Conparison [00:47.62]Listen to the following words from your tape and repeat. [00:52.98]sip ship sane shane watched washed [01:01.23]lass lash least leashed chin [01:09.09]

发表于:2018-12-03 / 阅读(176) / 评论(0)

掌握英语发音

Prisma App Makes Art Out of Photos

Prisma App Makes Art Out of Photos Pokmon GO is the most popular app in the world right now. But another new app is also getting a lot of attention. And its free. Prisma lets users add filters to photos to interesting, beautiful and strange effect. T

发表于:2018-12-08 / 阅读(94) / 评论(0)

2016年VOA慢速英语(七)月

365个英语简短小故事-335. The Vacuum Cleaner Filter(2)

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

发表于:2018-12-11 / 阅读(111) / 评论(0)

365个英语简短小故事

【健康】胃疼-A Stomachache

A:You don't look so good. B: I have a major stomachache A: Did you eat something strange? B: I had spaghetti with clam sauce for lunch. A: Maybe you have food poisoning. B: Yes, that could have been it, but I haven't been feeling that great for the p

发表于:2018-12-26 / 阅读(81) / 评论(0)

健康-Health

Indian Scientists Invent Nose Filter to Protect Against Air Pollution

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(106) / 评论(0)

2018年VOA慢速英语(一)月

天籁音乐:Let Your Soul Be Your Pilot

大热美剧Glee（欢乐合唱团）中的鞋子老师Matthew Morrison的个人首张专辑预计5月10日正式发行，其中有三首与大牌合唱的曲目：与Elton John合唱的Mona Lisas and Mad Hatters/Rocket Man，与Gwyneth Paltrow合唱的

发表于:2019-01-10 / 阅读(91) / 评论(0)

天籁音乐

原版英语对话：A Stomachache(1)

A: You dont look so good. B: I have a major stomachache A: Did you eat something strange? B: I had spaghetti with clam sauce for lunch. A: Maybe you have food poisoning. B: Yes, that could have been it, but I havent been feeling that great for the pa

发表于:2019-01-15 / 阅读(72) / 评论(0)

英语情景对话-健康

和吸烟有关的英语表达

吸烟有害健康(Smoking is hazardous to health。)。常用表达： Have a smoke? 抽烟吗？ Help yourself to a cigarette. 请抽烟。 Would you like a cigarette? 想抽支烟吗？ Won't you have a smoke? 不想抽支烟吗？ Please have a

发表于:2019-01-16 / 阅读(71) / 评论(0)

实用英语

闭着眼睛飘单词四级词汇25

[0:0]feedback female fertile fertilizer反馈,反馈信息雌的,女性的肥沃的,富饶的肥料 [1:25.7254]festival fiber fiction fierce节日,喜庆日纤维小说凶猛的,残酷的 [2:12.0330]file filter finally finance档案,文件过滤器,过滤咀最后,终于财政,金融 [3:1.05

发表于:2019-01-16 / 阅读(136) / 评论(0)

闭着眼睛飘单词四级词汇

英语听书《白鲸记》第57期

Ever since young Stiggs coming from that unfort'nt v'y'ge of his, when he was gone four years and a half, with only three barrels of ile, 自从那位可怜的小伙子斯替格死在客房里以后，唉，他出海四年半，只带回三桶鱼杂碎

发表于:2019-01-29 / 阅读(90) / 评论(0)

白鲸记

英语听书《白鲸记》第155期

发表于:2019-01-29 / 阅读(74) / 评论(0)

白鲸记

2007年VOA标准英语-Water Filter Wins Developer Engineering Prize

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(148) / 评论(0)

2007年VOA标准英语（五月）

The Snipe and the Clam

Just as a clam came out to bask in the sun a snipe pecked at its flesh．The clam closed its shell and squeezed the snipe's beak．If it does not rain today and it does not rain tomorrow，you will be a dead clam，said the snipe．If you cannot free

发表于:2019-02-05 / 阅读(145) / 评论(0)

趣味英语

汽车汉英词汇一

汽车类Automobile 整车Finished Automobile 轿车Passenger Car 休旅车Recreational Vehicle (RV) 小型商用车(3.5吨以下)Light Duty Commercial Car (Less Than 3.5 Tons) 大型商用车(3.5吨以上)Heavy Duty Commercial Car (More Than 3.5 Tons) 散装车Bulk Truck 搅拌车

发表于:2019-02-05 / 阅读(114) / 评论(0)

英文语法词汇

你们的恋爱关系健康吗？

1. You don't have to see each other every day. 你们不必每天都见面。 If you can, then why not? But you don't have to nag each other about you or your partner coming over just because you haven't seen a glimpse of each other for the day (yet)

发表于:2019-02-06 / 阅读(123) / 评论(0)

实用英语

311 counties to pilot China's hospital reform

BEIJING, June 26 (Xinhua) -- China has nominated 311 counties or county-level cities in a program to pilot reform of the country's public healthcare facilities, the Ministry of Health announced on Tuesday. The national initiative includes 83 counties

发表于:2019-02-21 / 阅读(104) / 评论(0)

英语新闻

【英语语言学习】滤芯净化水

Mark Zuckerberg, a journalist was asking him a question about the news feed. And the journalist was asking him, Why is this so important? And Zuckerberg said, A squirrel dying in your front yard may be more relevant to your interests right now than p

发表于:2019-02-23 / 阅读(104) / 评论(0)

英语语言学习

英语听书《白鲸记》第277期

Because it's dangerous, says she. 因为这是很危险的,她说。 Ever since young Stiggs coming from that unfort'nt v'y'ge of his, when he was gone four years and a half, with only three barrels of ile, 打那回,打那个叫做斯梯格的小伙子

发表于:2019-02-25 / 阅读(92) / 评论(0)

白鲸记

Good-bye My Fancy

Good-bye my Fancy! Farewell dear mate,dear love! I'm going away,I know not where, Or to what fortune, or whether I may ever see you again, So Good-bye my Fancy. Now for my last-let me look back a moment; The slower fainter ticking of the clock is in

发表于:2019-02-26 / 阅读(216) / 评论(0)

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breadalbanite (hornblende)