单词：efficient sound signal
单词：efficient sound signal 相关文章
Four Efficient Ways to Improve Your Speech Use More Facial Expression One psychologist feels that our facial expression is responsible more than anything else for the impression others have of us. In
疯狂英语2004年
A Story Happened on An Uninhabited Island The only survivor of a shipwreck was washed up on a small, uninhabited island. He prayed feverishly for God to rescue him, and every day he scanned the horizon for help, but none seemed forthcoming. Exhausted
英语美文
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f
Scientific American(八)月
第一句：This model of typewriter is efficient and endurable, economical and practical for middle school students. 我方这种型号的打字机性能高，耐用，经济，实用，适用于中学生。 A:We are interested in your computer and
天天商务口语
第一句：This model of typewriter is efficient and endurable, economical and practical for middle school students. 我方这种型号的打字机性能高，耐用，经济，实用，适用于中学生。 A: We are interested in your computer and
天天商务口语
eat v.吃 echo n./v.回声，回响；共鸣 economic a.经济学的，经济(上)的 economical a.节省的；经济学的 economy n.经济；节约 edge n.边，边缘；刀口，刃 edit vt.编辑 edition n.版，版本 editor n.编者，编辑 ed
大学英语四级词汇拼读版
今天我们要学的词是efficient。 Efficient, 效率高的。最近研究发现， Efficient people don't strive to get everything done perfectly; they only focus on the most important projects, 高效律的人并不把每一件事都做到完美无
英语单词荟萃
Automakers Marketing More Fuel Efficient, Compact Cars After 15 years on the assembly line, Detroit autoworker Nicole Current is about to become unemployed. I make truck axles, so as the auto industry tries to get away from the larger size vehicles,
VOA标准英语2012年(一月)
RICK KARR: Portland, Ore., is at the vanguard of the war to reduce gasoline consumption. You can find evidence all over its downtown area ... and at its car dealerships. EARL BLUMENAUER: We're looking at hybrids, plug-in hybrids, electric cars. There
PBS访谈社会系列
Rebecca and I forged for a couple of hours,and and... 我和丽蓓卡伪装了几小时 后来... it looked like rain, 看样子要下雨了 So... we both figured 所以 我们觉得 it'd be more efficient to split up. 分头行动效率更高 And an
陨落星辰第一季
BEIJING, March 13 (Xinhua) -- Both China and U.S. signaled that the world's two biggest economies should explore a road of new-type relations. The new type of relations between major powers should be based on mutual respect, cooperation and seeking w
英语新闻
BEIJING, Sept. 26 (Xinhuanet) -- Weather forecasts showed that Thursday or Friday might be suitable for launching the Tiangong-1 spacecraft, experts said. The unmanned spacecraft, part of China's first spacecraft rendezvous and docking mission, was s
英语新闻
今天我们要学的词是signal。 Signal, 作为动词，意思是显示。 The number of Americans filing for unemployment benefits for the first time fell to the lowest level in nearly six months, signaling a slight improvement in the job market
英语单词荟萃
A Story Happened on An Uninhabited Island The only survivor of a shipwreck was washed up on a small, uninhabited island. He prayed feverishly for God to rescue him, and every day he scanned the horizon for help, but none seemed forthcoming. Exhausted
英语美文
But heres a mystery: When you press pause on the VCR, the screen doesnt go blank. Instead, you get a frozen image. Remember, you need a changing magnetic signal to create even a still video image. If the video tape isnt moving, where is this changing
英语时差8，16
Although audio tapes and video tapes look different, theyre based on the same principles. Each has a roll of magnetic material which slides past the so-called playback head in the VCR or cassette deck (cassette decks have one playback head, VCRs have
英语时差8，16
How Your VCR holds a Note VCR-盒式磁带录像机VCR是Video Cassette Recorder的缩写盒式磁带录像机。就功能上而言，它是使用空白录像带并加载录像机进行影像的录制及存储的监控系统设备。VCR作为许多晚会
英语听力文摘 English Digest