[电子] 脉位调制
[电子] 脉冲位置调制

Maurice Ravel was born in 1875 in a little village in southern France near the Spanish border. His father was Swiss and his mother was Basque. Ravel's devotion to his mother bordered on the 1)obsessiv

发表于:2018-11-28 / 阅读(268) / 评论(0) 分类 疯狂英语2001年

It's got to be philanthropic, because profits distract biotech, 这些研究的钱的来源最好是慈善,因为利润会分散生物技术研究公司的注意力, but it's basically got a 90 percent chance, I think, of succeeding in this. 但我

发表于:2018-12-05 / 阅读(214) / 评论(0) 分类 TED演讲科学篇

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(181) / 评论(0) 分类 (科普英语)Earth and Sky

Unit 8 The Media In-Class Reading It's Radio! The medium that can turn anywhere into somewhere 1 The truth is that radio has not been eclipsed by television and cable and the Internet. In fact, radio

发表于:2018-12-18 / 阅读(468) / 评论(0) 分类 新编大学英语阅读部分

On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera

发表于:2019-01-02 / 阅读(221) / 评论(0) 分类 2017年VOA慢速英语(一)月

Compatible - When one object can be used interchangeably with another. Composite Baseband - The unclamped and unfiltered output of the satellite receiver's demodulator circuit. It contains all of the

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 电信英语

DSB Direct Satellite Broadcast 直接卫星广播 DSB Double SideBand 双边带 DSBRC Double SideBand Reduced Carrier 双边带减幅载波 DSBSC Double SideBand Suppressed Carrier 双边带抑制载波

发表于:2019-01-03 / 阅读(176) / 评论(0) 分类 电信英语

Enhanced Data rates for GSM Evolution, or EDGE, is a digital mobile phone technology which acts as a bolt-on enhancement to 2G and 2.5G General Packet Radio Service (GPRS) networks. This technology wo

发表于:2019-01-03 / 阅读(199) / 评论(0) 分类 电信英语

Abort - To stop doing something. Particularly, to exit a software program or stop receiving or sending a message. Access - (1) (verb) to get use of something, or (2) (noun) refers to a particular leve

发表于:2019-01-03 / 阅读(190) / 评论(0) 分类 电信英语

DCC Data Country Code 数据国家号码(3位) DCC Digital Cross Connect 数字交叉连接 DCCE Digital Cell Center Exchange 数字小区中心交换机 DCCH Dedicated Control CHannel 专用控制信道

发表于:2019-01-03 / 阅读(173) / 评论(0) 分类 电信英语

DM Delta Modulation 增量调制 DMA Direct Memory Access 直接存储器访问 DMF Dispersion Managed Fiber 色散管理光纤 这种光纤有带正、负色散区段,如同线路光纤延展敷设,

发表于:2019-01-03 / 阅读(160) / 评论(0) 分类 电信英语

DOD Direct Outward Dialing 直拨外线 DOS Disk 0perating System 磁盘操作系统 DOV Data Over Voice 话上数据 DP Data Processing 数据处理 DP Detection Point 检测点,探测点 DP Dial/

发表于:2019-01-03 / 阅读(186) / 评论(0) 分类 电信英语

APCM Adaptive Pulse Code Modulation 自适应脉码调制 APCM是在PCM基础上,采用量化自适应,使均方量化误差最小的一种调制方法。 APD Avalanche Photo Diode 雪崩光电二极

发表于:2019-01-03 / 阅读(165) / 评论(0) 分类 电信英语

歌词: I wanna make your heart beat I love it when it beats for me, yeah I wanna make your heart beat I love it when it beats for me, yeah I wanna raise pulses La chica with the most-est Not in the mood for the average Josephs Coming unglued, baby

发表于:2019-01-03 / 阅读(156) / 评论(0) 分类 流行英文歌曲

By Ravi Khanna Washington, DC 07 February 2008 The American Folklife Center of the Library of Congress in Washington featured Indo-Caribbean drumming and dancing at a recent performance. The center has been featuring traditional ethnic and regional m

发表于:2019-01-07 / 阅读(136) / 评论(0) 分类 VOA常速英语2008年(二月)

But modulation networks are also activated that deliver endorphins and enkephalins, 不过调制网络也被唤醒,去传递安多芬和脑啡肽, chemicals released when you're in pain or during extreme exercise, creating the runner's high. 这些

发表于:2019-01-17 / 阅读(157) / 评论(0) 分类 TED演讲教育篇

He was sure that when a supernova exploded, it left behind a kernel so dense that a cupful would be as heavy as a mountain, he called it a neutron star, it seems so preposterous that Z's ideas were dismissed, until that is a new way of scouring the h

发表于:2019-01-23 / 阅读(167) / 评论(0) 分类 探索与发现2015年

An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现,动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后,可能仅需10年,人类就可以告别白发

发表于:2019-02-01 / 阅读(169) / 评论(0) 分类 趣味英语

BEIJING, July 26 (Xinhua) -- A research team led by Chinese scientists have discovered dietary modulation of gut microbiota can alleviate both genetic and simple obesity in children. The findings of the team, led by Zhao Liping with Shanghai Jiaotong

发表于:2019-02-02 / 阅读(172) / 评论(0) 分类 英语新闻

美帝夫妻档 Karmin 新单曲《Pulses》!如果你对 Karmin 的印象还停留在《Acapella》,那么这次的《Pulses》可就要你大吃一惊了。巨肺姐 Amy Heidemann 不仅能飙高音,玩儿起说唱时的强大气场也绝对力

发表于:2019-02-11 / 阅读(140) / 评论(0) 分类 英文最新流行歌曲
学英语单词
a rua
agamy
agedoite
anthrarobin
antisweep device
Asynchronous transmission.
Blastomycetes
boardmen
bottom slot layer
Bryonoguchia
carry something forward
chandui
changing exception task attribute
collagey
colliquintida
commencement days
Committee for Development Planning
cool-headedly
crossed coil meter
cup-meter
deadlined vehicle
denasalization
directiy heated cathode
don't change horses in midstream
dorsal vertebra
double policy
dysenteriform
engine tractive force
fob-off
Gladstonian
gradual commencement magnetic storm
heathered
historical references
Holmes' operation
hopper scale testing apparatus
Ierapetra
indiscerning
ink drawing
inordinations
isocysterone
Italian sauce
ituri
knick points
lady's fingers
liquid moderator level meter
live with somebody
low-passes
magnetically stabilized fluidized bed
metallized mica condenser
multifunctioonal
Nahǔng-ri
NAND (not and) logic
natural face of stone
Ngangala
Ngong Suen Chau/Stonecutters Island
octopean
offensive backs
orbit
Palliser B.
pan-amalgamation process
parathoracaphis setigera
Parrot's sign
pergularin
photophyte
power bottoms
precisely located beacon
preparing the audit
pressure calibration
prism like structure
prisoner under sentence of death
pump-jets
quinin sulfethylate
radiant quantity
radices stemonae sessilifoliae
RDH
recognition method
retol
Rheum maculatum
right hand turnout
roddings
Sachsenheim
salient feature
Salmonella illinosis
single object
sodium acetyl-anthranilarsenate
square butt
supergroup reference pilot
sweat roll
swordstress
titches
to squander
trachea (pl.trachea)
two wave length microscope
tyxt
UhpT
van-courier
Vedaism
westermeyer
whiners
widthways, widthwise
zippiness