棒状复用器滤波器

Introduction

All That Is Beautiful Poems and Passages of Life 闭上眼睛，细数你生命中最美丽的瞬间在寒冷的日子里接到远方朋友暖暖的问候；读到一篇优美的诗歌，馨香绕怀久久不忘；看到白浪银沙和地平线，第

发表于:2018-12-07 / 阅读(148) / 评论(0)

世界上最美丽的英文-人生短篇

VOA慢速英语2011--UN Says Food Production Must Rise; How 'Fertilizer Trees' Could Help

Agriculture Report - UN Says Food Production Must Rise; How 'Fertilizer Trees' Could Help 农业报道 - 联合国称到2050年粮食产量必须增加7成 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道

发表于:2018-12-07 / 阅读(180) / 评论(0)

2011年VOA慢速英语(十一)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(166) / 评论(0)

365个英语简短小故事

法律英语：37 Introduction to Wills

by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I

发表于:2018-12-30 / 阅读(113) / 评论(0)

法律英语 Legal Lad

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(155) / 评论(0)

2018年VOA慢速英语(一)月

电信类英语词汇表大全-40

中文英文缩写放大 zoom in 放大的随机发射 Amplified Spontaneous Emission ASE 放大自辐射噪声 Amplified Spontaneous Emission Noise ASEN 放电 discharge 放号 number distribution

发表于:2019-01-03 / 阅读(130) / 评论(0)

电信英语

Lectures: Introduction

Academic ListeningPart 2 - Lectures: IntroductionThis programme was first broadcast in 2001. This is not an accurate word-for-word transcript of the programme. ANNOUNCER: Its time for Academic Listening - a series for students at English-speaking un

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英语讨论

精美英文欣赏:Introduction

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精美英文欣赏

电信术语(10)

序号中文英文术语解释缩写来源 181 运行，管理和维护 Operation,Administration and Maintenance OAM YD/T 1273-2003 182 光功率放大器 Optical Boosting Amplifier OBA YD/T 12

发表于:2019-01-08 / 阅读(201) / 评论(0)

电信英语

听歌学英语:摇滚巨星Rod Stewart的Sailing(远航)

听歌学英语:摇滚巨星Rod Stewart的Sailing(远航) Artist: Rod Stewart Style: Rock I am sailing ! I am sailing ! Home again 'cross the sea. I am sailing stormy waters To be near U ! To be free ! I am flying ! I am flying ! Like a bird 'cross t

发表于:2019-01-10 / 阅读(127) / 评论(0)

听歌学英语

英语歌曲:Sailing远航-Rod Stewart经典歌曲

Sailing远航-Rod Stewart经典歌曲 I am sailing, I am sailing Home again across the sea; I am sailing stormy waters, To be near you, to be free. I am flying, I am flying like a bird across the sky. I am flying, passing high clouds To be with you,

发表于:2019-01-10 / 阅读(143) / 评论(0)

流行英文歌曲

US Could by 2017 Be World's Biggest Oil Producer

US Could by 2017 Be World's Biggest Oil Producer The International Energy Agency says that by 2017 the United States is likely to overtake Saudi Arabia as the world's biggest oil producer. The Paris-based energy agency said Monday in its annual forec

发表于:2019-01-31 / 阅读(155) / 评论(0)

英语新闻

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(200) / 评论(0)

2007年VOA标准英语（五月）

Improving Productivity by Improving Lighting

Improving Productivity by Improving Lighting We all know that our surroundings affect our ability to get work done, from that irritating buzzing from the next cubicle over to the uncomfortable chair causing our back pain. But what about lighting? Has

发表于:2019-02-04 / 阅读(189) / 评论(0)

阅读空间

The Productivity Tricks and Daily Habits of Famous People

The Productivity Tricks and Daily Habits of Famous People Famous visionaries often develop a reputation for having a few eccentricities. However, for many people, these small eccentricities are part of a larger group of daily rituals that help them t

发表于:2019-02-04 / 阅读(166) / 评论(0)

阅读空间

加州英语分级GK Rod Can See It 05

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发表于:2019-03-02 / 阅读(200) / 评论(0)

加州英语分级GK

加州英语分级GK Rod Can See It 04

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加州英语分级GK

加州英语分级GK Rod Can See It 02

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发表于:2019-03-02 / 阅读(196) / 评论(0)

加州英语分级GK

加州英语分级GK Rod Can See It 01

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发表于:2019-03-02 / 阅读(206) / 评论(0)

加州英语分级GK

加州英语分级GK Rod Can See It 03

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发表于:2019-03-02 / 阅读(214) / 评论(0)

加州英语分级GK

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annual moving average

asymmetric induced copolymerization