脉冲宽度调制原理

发表于:2018-11-29 / 阅读(458) / 评论(0) 分类 英语歌曲第六辑

the Daffodil principle Several times my daughter had telephoned to say, Mother, you must come to see the daffodils before they are over. I wanted to go, but it was a two-hour drive from Laguna to Lake Arrowhead I will come next Tuesday, I promised a

发表于:2018-12-07 / 阅读(370) / 评论(0) 分类 每天一点英文

So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n

发表于:2018-12-11 / 阅读(294) / 评论(0) 分类 访谈录2009

UNIT TWELVE [00:15.99]What letter is this?Picture 1. [00:23.54]What letter is this,Tony.It is B.Picture 2. [00:37.28]What number is this? It is eight.Picture 3. [00:51.15]What shape is this? It is a square.Picture 4. [01:03.87]What shape is this? It

发表于:2018-12-13 / 阅读(351) / 评论(0) 分类 小学综合英语1A

Volume 体积 Volume is how much space something occupies. 体积是指某一物体所占的空间。 In this case, space consists of three dimensions, length, width and height. 这样的话,空间由长、宽和高这三维组成。 Volume is pres

发表于:2018-12-13 / 阅读(196) / 评论(0) 分类 与美国小学生一起学英文第4册

Grief can drive people to extraordinary lengths. 语音讲解: 1.grief /gri?f/ 2.lengths/le?s/ 词汇讲解: 1.grief-grieve relief(放松),grief(悲痛) 是名词 relieve(使.放松),grieve(使.悲伤) 是动词 His grief was etch

发表于:2018-12-18 / 阅读(201) / 评论(0) 分类 自然拼读教材英语字母拼读法(学生用书)Book 3-2

He is a man of principle. 他是个有原则的人。 注意当中的principle和principal的读音一样的,但拼法就不同,意思都不同,principal是指校长。 principal是一个人,后面又是pal结尾,pal表示好朋友,下面的

发表于:2018-12-25 / 阅读(252) / 评论(0) 分类 蒋健棠英语实用句子

Grammar Girl here. Today were going to recall that the principal is indeed your pal, but well also see that a principal can be so much more. In this episode well talk about the various ways to use principlethats p-l-eand principalthats p-a-l. (These

发表于:2019-01-02 / 阅读(244) / 评论(0) 分类 英语语法 Grammar Girl

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(227) / 评论(0) 分类 电信英语

哥哥的心愿 A friend of mine named Paul received an automobile from his brother as a Christmas present. On Christmas Eve when Paul came out of his office, a street urchin was walking around the shiny new car, admiring it. Is this your car, Mister

发表于:2019-01-03 / 阅读(224) / 评论(0) 分类 趣味英语

(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: So it has been a year now since a gunman killed 49 people at the Pulse nightclub in Orlando. And today on StoryCorps, we're going to remember Deonka Drayton, one of the people murdered that night. She was 32 a

发表于:2019-01-17 / 阅读(327) / 评论(0) 分类 2017年NPR美国国家公共电台6月

黄金一直是高品质、美丽和财富的象征。称某种东西为金质的意味着它具有很高的质量和价值。今天我们通过例子来学习一下和golden有关的习语英语词汇吧~ 1.the golden rule 金科玉律;指导原则

发表于:2019-01-17 / 阅读(210) / 评论(0) 分类 英文语法词汇

Pareto's Principle - The 80-20 Rule How the 80/20 rule can help you be more effective. In 1906, Italian economist Vilfredo Pareto created a mathematical formula to describe the unequal distribution of

发表于:2019-01-21 / 阅读(263) / 评论(0) 分类 实用英语

Dentists and researchers have come up with the formula for the perfect smile, from the size and width of each tooth to the curve, colour and shape of the teeth, and the overall width of the smile. 牙医和研究学者已经研究出完美笑容秘诀,

发表于:2019-02-05 / 阅读(205) / 评论(0) 分类 阅读空间

Measuring just 1.2 meters high and the width of a single bed, rooms at the Taiyuan Shangjian Capsule Hotel are not the most luxurious. But with all the amenities of modern accommodations, including free Wi-Fi, a laptop desk and TV -- and at a cost of

发表于:2019-02-08 / 阅读(177) / 评论(0) 分类 cctv9英语新闻2015年

Lesson 334 Your pulse is regular. 1.Your pulse is regular.您的脉搏正常。 2.I have a regular diet.我的饮食是有规律。 3.I'm not a regular lawyer.我不是正式的律师。 4.He has no regular work.他没有正式的工作。 5.It's my

发表于:2019-02-12 / 阅读(253) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

Only in the agony of parting, do we look into the depths of love. 语音讲解 单词发音 agony n.苦恼;极大的痛苦;临死的挣扎 parting n.分手;分离;分界点 depth n.(海洋)深度;深奥 连词发音 only in the agony of 轻读

发表于:2019-02-13 / 阅读(395) / 评论(0) 分类 跟着Gwen学英语之每日早读

在英语学习中,how与what是很常用的,在许多情况下,两者用法极为相似,只是句型结构稍有不同。 在许多情况下,两者用法极为相似,只是句型结构稍有不同: 1. 两者均可用来引出感叹句,

发表于:2019-02-13 / 阅读(225) / 评论(0) 分类 英文语法词汇

Lana measured Stubway's foot long sandwich. It didn't measure up. It was 11 inches long. She measured her friend's foot long. It was a tad longer, at 11.5 inches. For the next three months, Lana measured Stubway's sandwiches. She got her Facelook fri

发表于:2019-02-15 / 阅读(214) / 评论(0) 分类 英文短篇故事(纽约)

How vain and foolish, then, thought I, 于是,我心里想, for timid untravelled man to try to comprehend aright this wondrous whale, by merely poring over his dead attenuated skeleton, stretched in this peaceful wood. 那些足不出户的胆小鬼

发表于:2019-02-17 / 阅读(210) / 评论(0) 分类 白鲸记
学英语单词
acomys cahirinus
amplio
astern running operating management
autopolymer
barrow-man
basal medium
Begonia cocchinea
body-guards
bolted on attachment
Borova
branchline
bronzite chromitite
camber abgle
captative
chip ballast
cluster data
co-flumactone
crop insurance scheme
Cyclobalanopsis daimingshanensis
cyclosorus simplex
cynophilist
demagnify
demeaned
deterioration of taxable income
diagenetic trap
dioxazole
draw dividends
economic-military
equivalence relation
ethylektocyclazocine
factors affecting response of testing
ferrocyanide process
field weakening apparatus
filter core
follicular colloid
ganged potentiometer
goldwyns
goosegrasses
grease extractor
hackley
heterometaboly
higher strength wire
higher-order coherence effect
Humble formula
indit
internal timer handler
interstitial lattice
ion selective electrode
joint dynamometer
kadivar
Kymen Lääni
levogyric
lilya
liptease
make big
Marinópolis
marto
meal treatment
MEDINFO
Montcenis
Muntenia
musculi pterygopharyngeus
nihilation
nonmyopic
olmecs
on-transition time
overwitting
peropsin
pornographically
portable seismic recorder
prism dioptre
producing formation
proprioceptive ending
pyramidshaped
reduplicature
reinforced composite
resimulations
resods
reversing damped condition
rocinha
scarf theorem
secodont
serous apoplexy
somediing
source music
squadrons
standardized normal variate
stethomyia
successionist
successive cuts
swelts
Tait
tape gauge
tappet adjustment
teracainum
transition of spontaneous emission
undishevelled
vertical-force
viciate
weight sensor
with set teeth
Yukawa potential