极限环

limit cycles的用法和样例:

例句

  1. In this paper, the bifurcation of limit cycles for a quartic polynomial system is investigated.摘要研究一类四次系统的极限环分枝问题。

The story of how we have systematically observed the heavens begins in the days before recorded time. For primitive man, the sun reigned supreme. Its recurring cycles of light and darkness formed the

发表于:2018-11-28 / 阅读(258) / 评论(0) 分类 疯狂英语2001年

-Cities were a real paradox. They did offer dazzling new opportunities, but they also cut people loose from everything that they knew, from their tribe, from their land, from way to being that haven't really changed much for millennium. So they were

发表于:2018-12-03 / 阅读(165) / 评论(0) 分类 探索与发现2015年

You're walking along the street. You need to go to the washroom desss...perately. What do you do? If you can't control yourself, you could be embarrassed to no end. Don't worry. Someone in San Francis

发表于:2018-12-08 / 阅读(250) / 评论(0) 分类 赖世雄中级美国英语

The limpidness lettuce still has a little life left,a new study finds that produce continue to respond to life kills which enable them to keep protecting themselves from insects,and perhaps even enhance their nutritional value to us.Scientists knew t

发表于:2018-12-24 / 阅读(121) / 评论(0) 分类 Scientific American(六)月

The surface of Mars is etched with ancient river valleys and lake basins. Which makes researchers think that liquid water once flowed on the Red Planet. But how? Today, Mars is too cold for much, if any, liquid water to exist. And 3.8 billion years a

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 2017年Scientific American(一)月

Mike: Ha! That's what they make you wear at Captain Sub? Luke: No, I just like to dress like Popeye. Mike: Look, when you get a new job, you do have to deal with difficult people. Luke: You mean like the customers? Mike: No, like your family. Maggie:

发表于:2018-12-31 / 阅读(207) / 评论(0) 分类 成长的烦恼第七季

心灵歌汤 cycles of time

发表于:2019-01-01 / 阅读(224) / 评论(0) 分类 心灵歌汤

Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor

发表于:2019-01-03 / 阅读(169) / 评论(0) 分类 电信英语

记忆之歌 Song of Remembering Song of Remembering The Rentals I have written enough as enough to sing for a song of remembering Everything moves everyones laughing, moving through the city of passing Ive written enough, enough for a while, I have

发表于:2019-01-06 / 阅读(125) / 评论(0) 分类 好听的英文歌曲

A: I need to know why I'm being charged $10 for a movie that I never ordered. B: Hmm. Your file shows that you watched Titanic Monday night. A: Monday night? Monday night I was at a great concert. B: Well, as they say, garbage in, garbage out. Let me

发表于:2019-01-11 / 阅读(184) / 评论(0) 分类 英语情景对话-旅馆

By Carol Pearson Washington 25 May 2007 Women who do not want children, and those who do, are both getting new help. The U.S. government has approved a birth control pill that eliminates menstrual cycles, and it also has approved a product to help wo

发表于:2019-01-11 / 阅读(208) / 评论(0) 分类 2007年VOA标准英语(五月)

By David Gollust State Department 22 February 2008 The United States Friday called on Turkey to limit the scope of its ground incursion in northern Iraq and bring it to an early conclusion. The operation is apparently the biggest of several recent Tu

发表于:2019-01-31 / 阅读(208) / 评论(0) 分类 VOA常速英语2008年(二月)

今天我们要学的词是age limit。 Age limit, 年龄限制。社交网站脸书网并不是任何人都能注册帐户的。 Facebook enforces an age limit of 13 years or older to register an account, 脸谱网规定,只有满13岁的人才能注

发表于:2019-02-02 / 阅读(195) / 评论(0) 分类 英语单词荟萃

讲解 失眠insomnia是一件十分痛苦的事情,经历过的人一定了解,想睡睡不着,又很没有精神的感觉。 为了克服insomnia,我们今天就来讲讲如何才能拥有一个完美的睡眠。 Shawn Stevenson is a clinic

发表于:2019-02-13 / 阅读(140) / 评论(0) 分类 英语悠选脱口秀

Howard: Hi, Todd. Todd: Hey, how's it going, Howard? So I heard that you're really into motorcycles. Howard: Ah, yes, I love motorcyles. I've been riding motorcycles since I was 15 years old. Todd: Oh, really. Wow! So, what's the allure of motorcycle

发表于:2019-02-14 / 阅读(144) / 评论(0) 分类 原版英语对话1000个

This is SCIENCE FRIDAY. I'm Ira Flatow. You open the door of your fridge and the light goes on, right? What if the light in your fridge could stay on and be programmed to help your veggies taste better or be more nutritious? Why? Well, it turns out t

发表于:2019-02-16 / 阅读(150) / 评论(0) 分类 英语语言学习

Much of New Zealand has been very cloudy and cool so far this month. However, some inland places, especially Central Otago, have had hot weather. Usually February is our hottest month so the cool temperatures and winds for most of us are disappointin

发表于:2019-02-17 / 阅读(136) / 评论(0) 分类 新西兰英语

Dog Property Laws 狗的财产法则 1. If I like it,it's mine. 1. 我喜欢的东西,就是我的。 2. If it's in my mouth, it's mine. 2. 在我嘴里的东西,就是我的。 3. If I can take it from you, it's mine. 3. 我能从你那儿拿过来

发表于:2019-02-17 / 阅读(151) / 评论(0) 分类 英语小达人

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(268) / 评论(0) 分类 实用英语

Chinese Academy of Sciences successfully launched a new sounding rocket, Kunpeng-1B, in Hainan Danzhou early Wednesday. The rocket reached a flight height of 300 kilometers for the first time. Its arrow configuration of altitude control system and ca

发表于:2019-03-12 / 阅读(382) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
aircraft-pavement classification number system
all mouth and trousers
altelf
Aostans
Austrofascism
axis of bank
banding coil
be not worth the candle
beam-balanced pump
betulifolia
boulle
Ceret
cheese powder
chlorouranate
chromite sand
condimental
consumption-led
coossification
corridorless
critical sampling rate
Diagacin
dialog-based application
diaveridine
divergent unconformity
Down's
driving-pulley
engineering test identification
fault indication device
financial adjustment law
first tariff
Florida connection
foamy organ
gaseous waste arising
gear stage velocity ratio
have not a stiver
high tension shackle insulator
hinged molding box
horizontal sync marker
horsecouper
i-soukoured
interiorinput power
international capital movements
internet consult
kisser
Kotayk
kurre
limiting valve
log type entry
low-solid nondispersed mud
lyssodexis
magnesiodolomite
make an appointment
mason's mark
may fish
memory
mercaptides
metal-insulator semiconductor (mis)
Metaphen
methyl-p-aminophenol sulfate
Mondler
mudirias
nichomachean
non-lift balloon
operating lever latch knob
orifice feed tank
palindromic helix
pampas cats
PE ratio
pick-and-choose
points of presence
prebuccal area
printer's dozen
ptyalismos
radioactive waste material
rapid and irregular pulse
rhagionid
rigid tower
rotary packer
sadistic personality disorder
sampling moment
satin check
saturation magnetisation value
scale family
second-class object
serialized scheduling
ship's watch
sonofa
source of electric supply
spatial inhomogeneity
special purpose crane/lift truck
spuds
stalingrads
subpar
suppoting axle
talipes calcaneovarus
telescoped ore deposit
toothed rolls
town and gown
triceratium affine
tumorous varix
Wardensville
worning