[机] 周期运动
词型变化:名词复数形式 : periodic motions

periodic motion的用法和样例:

例句

  1. The harmonic oscillator is an exceptionally important example of periodic motion.谐振子在周期运动中是特别重要的。
  2. The apparent motion is sinusoidal with a wavelength proportional to the distance between the orbits of the satellite and the particle.这个规律的周期运动,其波长会与粒子和卫星轨道之间的距离成正比。
【近义词】

ear degenerate noted shatter bureaucracy nut spectator herald inflation terrify periodic polar dreadful texture withhold rivalry theft snail streak nursery thrill underline incense merit postal extra

发表于:2018-12-01 / 阅读(133) / 评论(0) 分类 用Mp3背六级单词

Now, while the smell wafts over you, let me tell you the history of an idea. 现在,趁着香味还萦绕在你们周围,我来为你们介绍一个想法形成的过程。 Everything that you're smelling in here is made up of atoms that come fro

发表于:2018-12-19 / 阅读(105) / 评论(0) 分类 TED演讲教育篇

Idiom: On the rocks 事情处于一个相对困难的状态中 Hit the book: Insufficient Insurance Cash flow Jeopardy Periodic Recipient Frankly Installment

发表于:2018-12-27 / 阅读(137) / 评论(0) 分类 趣味青春英语

1. In which field is the man looking for a job? A. education B. medicine C. technology 2. Which statement best describes the pay for the job? A. Employees can receive periodic pay increases based on their work. B. The salary for the position is above

发表于:2018-12-28 / 阅读(136) / 评论(0) 分类 听英文对话做选择

图片1 journal n. 定期刊物,杂志,航海日记,分类账 例句:Blanche writes on politics for a monthly journal. 布兰奇为一家月刊写政治性文章。 periodical adj. 周期的,定期的n. 期刊,杂志 例句:This periodi

发表于:2018-12-30 / 阅读(101) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

《英语流行话题阅读:语境识词3500》Unit 16 什么是癌症?

发表于:2018-12-30 / 阅读(110) / 评论(0) 分类 英语语境识词

Tests Suggest 10,000-Year-Old Brit Had Dark Skin, Blue Eyes Genetic material from a 10,000-year-old skeleton suggests the oldest-known Briton had dark skin and blue eyes. 根据一具1万年前的骨骼中提取的遗传物质表明,人们所知最古

发表于:2019-01-03 / 阅读(192) / 评论(0) 分类 2018年VOA慢速英语(二)月

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 2014年VOA慢速英语(八)月

During the doctor's periodic visit to my elderly mother, I told him that Mother would be celebrating her 98th birthday in few days. Delighted by the news, he bent down and gave her a kiss for the occa

发表于:2019-01-03 / 阅读(104) / 评论(0) 分类 英汉幽默故事选读

Wanted to slice out little time,we wish everyone a happy pie day on this March 14th.413 Ok.let's go ahead to get today's headlines. Two primaries two caucuses,110 delegates,that's what was the stake yesterday in the race for the Republican presidenti

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 CNN2012年(三)月

近几年的英语写作基础试卷在考查内容和试题类型上改动不大,保持了命题的连贯性。考查内容包括三大部分:句子的组成、段落的写作、应用文写作。题型有重写句子、改写病句、识别主题

发表于:2019-01-17 / 阅读(95) / 评论(0) 分类 实用英语

The United Nations World Food Program has to drastically cut the number of hungry North Koreans it feeds because of a lack of international funding and new restrictions imposed by Pyongyang. 由于缺少国际资金和平壤新实施的限制,联合国

发表于:2019-01-19 / 阅读(84) / 评论(0) 分类 VOA双语新闻 2009年7月

For most of us, the periodic table is a thing of beauty in the abstract, but for chemists it established an immediate orderliness and clarity that can hardly be overstated. Without a doubt, the Periodic Table of the Chemical Elements is the most eleg

发表于:2019-01-29 / 阅读(103) / 评论(0) 分类 万物简史

63 火星的神秘运动 DATE=6-27-01 TITLE=SCIENCE REPORT - The Motion of Mars BYLINE=Mario Ritter (Start at 59

发表于:2019-01-30 / 阅读(137) / 评论(0) 分类 科技之光

By Phuong Tran Canchungo, Guinea Bissau 01 April 2008 The West African nation of Guinea-Bissau has one of the worst school systems in the world, according to the United Nations. Teachers go for months without getting paid, and often go on strike. Phu

发表于:2019-01-31 / 阅读(129) / 评论(0) 分类 VOA常速英语2008年(四月)

Idea 1: Write a small but romantic love letter (about 5 lines in length or less). Then, get your local newspaper and circle all the words you need (in order) to include in your letter. Then leave the paper with a special note on top telling him to pu

发表于:2019-02-04 / 阅读(152) / 评论(0) 分类 英语美文

During the doctor's periodic visit to my elderly mother, I told him that Mother would be celebrating her 98th birthday in few days. Delighted by the news, he bent down and gave her a kiss for the occasion. He then announced that he, too, would be cel

发表于:2019-02-04 / 阅读(105) / 评论(0) 分类 趣味英语

LOS ANGELES, Jan. 13 (Xinhua) -- Argo director Ben Affleck has won the Golden Globe for best director in a motion picture at the 70th annual Golden Globes Awards ceremony which is taking place at the Beverly Hilton in Hollywood, California Sunday nig

发表于:2019-02-08 / 阅读(140) / 评论(0) 分类 英语新闻

period for redemption 赎回期限 period of accrual of interest 应计利息的期间 periodic actuarial investigation 定期精算调查 periodic payment 分期付款;定期付款 periodic updatin

发表于:2019-02-17 / 阅读(109) / 评论(0) 分类 财会英语

16. UPBRAlD : REPROACH :: (A) dote : like (B) lal: : stray (C) vex : please (D) earn : desire (E) recast : explain Directions: Each passage in this group is followed by questions based on its content.

发表于:2019-02-21 / 阅读(216) / 评论(0) 分类 实用英语
学英语单词
aerial gain
alarl's
allocation of servoce department
aphanites
array memory
asperginon
aster viscidulus mak.
bar mill
bare-tube superheater
barium sulfite
bertschinger
British savings-bonds
by bidder
chloragogen cell
Clorotepin
cream meal
crimped connection
Debye specific heat
decussates
DEFL (diode emitter follower logic)
Dirichlet data
ear-plugs
enhanced lateral mode confinement
ethyl silicane
exchange law
fabric defects
first wall
gap switching
Garrett mill
h-acid
harmless as a dove
head heaviness
hydrindatin
iata traffic conference
in partnership with
inelastic fibers
intermode resonance
international switching maintenance center
interpreting mode
iridioplatinita
Ixeridium aculeolatum
kazaronovski
lastolites
Ligularia botryodes
loughrans
low pressure lubricating system
mantletree
Metaminodiazepoxide
microstomids
migration selection
Motherwell and Wishaw
much the same
nano-mole
necessary wants
negative-resistance oscillator
neutron-exposure chamber
no voltage cut out
nominal nate
non-humans
non-reliance
oily ditch seal
one hundred and eighteen
particularize
pityriasis lichen oides chronica
plant parasite
polychrome television
Populus pamirica
powderily
prior equity
process communication
protection proxy
Ramoshorca
rear-axle tie-car
revised estimates
right of exoneration
ring-twisting frame
rousy
rules lawyers
salted out
Selenomethioniene
settling pot
sleepaway camp
spectral scan
stria atrophicae
symmetrica
taenia taeniaeformis
tensammetric curve
tetrapropylenebenzene sulfonate
the Pole Star
to-tose
touch a string
tractus opticus
transitivities
traveling decimal point
TRAWL (tape read and write library)
turning chisel
Ulsi, ultra large-scale integration.
van trailer
Web search sites
wetting angle
wheel housing
xanthi-