音标:[kɔnˈveksitiz] ;
n. 凸状, 凸面( convexity的名词复数 )
pl. of Convexity

convexity的用法和样例:

例句

用作名词(n.)
  1. The orbit of the moon around the sun is convex.月亮绕太阳的轨道是凸状的。
  2. This is in nature the result of convexity of the cost function.这在本质上是由于成本函数的凸性决定的。
  3. Weak duality theorem is established under generalized convexity conditions.在广义凸性条件下,建立了弱对偶性定理。

词汇搭配

  • convex中凸的
  • excess convexity(焊接的) 过凸...
  • quasi convexity拟凸性
  • pass convexity孔型凸度
  • degree of convexity凸度
  • double convexity双凸性
  • convexity ratio圆度比
【近义词】

My father is a driver and my mother is a teacher. Both of them work hard during the week. No matter how busy they are ,they always manage to take us to our uncles home at the weekend and work on the farm .The farm is not very big but there is always

发表于:2018-11-28 / 阅读(420) / 评论(0) 分类 疯狂英语易背作文

OliverJeffers 生在澳大利亚西部,但成长于北爱尔兰的贝尔法斯特,现在纽约。是个插画师,也是个作家。从 2004 年至今,他在动画界获奖无数。他的画充满童真,有点淡淡的忧伤,但又有浓烈的

发表于:2018-12-06 / 阅读(100) / 评论(0) 分类 TOP50 初级英文绘本

Section 13 Libraries 1Most towns and cities have a library. 2Libraries are available to everyone. 3People think that libraries are just for books. 4They are wrong. 5In modern libraries, you can borrow

发表于:2018-12-07 / 阅读(74) / 评论(0) 分类 英语导读1000句

A: What kinds of things do you like to do? B: I've always liked to draw and paint. A: I didn't know you knew how to draw and paint. B: I do it every once in a while. A: How long have you known how to do that? B: I first learned how to do it in high s

发表于:2019-01-07 / 阅读(73) / 评论(0) 分类 英语闲谈

A: Tell me, what do you enjoy doing in your spare time? B: I enjoy drawing and painting. A: You know how to draw and paint? B: Yes, I do. A: When did you learn how to do that? B: I learned back in high school. A: Oh, so you took an art class? B: Yeah

发表于:2019-01-07 / 阅读(96) / 评论(0) 分类 英语闲谈

A: Are there any hobbies you do? B: When I have time, I sometimes draw and paint. A: Oh, you actually do that? B: Every so often, I do. A: Did you always know how to draw and paint? B: I was taught in high school how to draw and paint. A: You had an

发表于:2019-01-07 / 阅读(101) / 评论(0) 分类 英语闲谈

Todd: Marika, what is the best city in your country? Marika: I think Montreal is the best city in my country. I've never been to Vancouver but I think Montreal is the best city in my country. Todd: Why is it so special? Marika: I think it is special

发表于:2019-01-07 / 阅读(83) / 评论(0) 分类 原版英语对话1000个

Larry和李华两人正开着车,准备到乡下的一个农场去骑马。今天李华会学到两个常用语:boonies和country bumpkin. (Car driving on country road) LH: Larry,我们要去的那

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 美国之音《流行美语》

For fans of fashionable neckwear for men, what's old is new again. Now Mo Rocca who follows these matters has his own ideas about that. Way back in the 1990s, freedom was ringing everywhere. Women were making huge inroads in the workplace. As for men

发表于:2019-01-09 / 阅读(118) / 评论(0) 分类 英语杂谈

A: Hello! How do I get more amenities? B: I'm sorry, sir. I'm not sure I understand. A: I'm talking about the free stuff, like soap and shampoo. B: Oh, I see. So, you're saying that you've already run out of your amenities. A: No, no. I've got plenty

发表于:2019-01-15 / 阅读(75) / 评论(0) 分类 英语情景对话-旅馆

A: Yes, I need more amenities. B: By amenities, exactly what do you mean, please? A: You know, the things that are free, like the soap and the shampoo. B: Okay, I got it. You've already run out of all your amenities? A: No, I still have plenty left,

发表于:2019-01-15 / 阅读(70) / 评论(0) 分类 英语情景对话-旅馆

A: I need some more amenities, please. B: I'm not sure I'm following you, sir. A: Specifically, I'm talking about the little things, like soap and shampoo. B: Oh, now I understand! So, you've already used up all your amenities? A: No, I'm not even ha

发表于:2019-01-15 / 阅读(73) / 评论(0) 分类 英语情景对话-旅馆

A: I'd like to request some more amenities. B: Amenities? What do you mean by amenities, sir? A: Well, the free stuff! You know: the soap, lotion, shampoo, etc. B: I see. Sir, if I may ask: Have you used up all the amenities in your room? A: Not at a

发表于:2019-01-15 / 阅读(86) / 评论(0) 分类 英语情景对话-旅馆

A: Hi. I need more amenities, please. B: Could you be a little more specific, sir? A: Well, to be more specific, the free stuff, like soap, lotion, and shampoo. B: I understand. Now, you're saying that you've already used up all your amenities? A: Oh

发表于:2019-01-15 / 阅读(69) / 评论(0) 分类 英语情景对话-旅馆

I love to see the TV show about choosing the people in singing, many years ago, when I was in high school, I would open the TV and saw the live show, many young girls were singing to fulfill their dreams, I liked to see their trying. Today, there are

发表于:2019-01-20 / 阅读(87) / 评论(0) 分类 英语作文

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-22 / 阅读(101) / 评论(0) 分类 英语原版童书

Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. Mary: Well, I keep them in my frigerator along with several other sizes of batteries just so I have them on hand. It's a little quirky habit of mine but I a

发表于:2019-02-01 / 阅读(79) / 评论(0) 分类 原版英语对话1000个

Researchers working for the World Wildlife Fund have warned that the effects of climate change pose a serious threat to rare species of wildlife discovered within the past year in Southeast Asia, including a fanged frog and a leopard-striped gecko. A

发表于:2019-02-05 / 阅读(106) / 评论(0) 分类 英语杂谈

你一边聚精会神做功课,室友一旁翻箱倒柜找东西,烦不?这倒也罢,要命的是他还唠唠叨叨问东问西:见我钱包没?我的手表在哪儿? 晕!没好气回他一句:鬼才知道呢! 对了,咱们今天就是要

发表于:2019-02-06 / 阅读(76) / 评论(0) 分类 实用英语

Todd: So, Ruth, now, you are a vegetarian. Ruth: That's right. Todd: So what is a good vegetarian dish that you cook? Ruth: Well, actually, I'm not a very good cook, so that would be difficult to say. I quite like to make, like a vegetable stew with

发表于:2019-02-07 / 阅读(63) / 评论(0) 分类 原版英语对话1000个
学英语单词
Acrocarpus fraxinifolius
aeronautical light
aeroplane view
ajugalactone
ametropia-correcting lens
antichemical medicine
Baniwa
barnardo
bird of Minerva
bottom-pouring
bridge console
buttermilk skin
Chandalar R.
cheilopogon pinnatibarbatus pinnatibarbatus
competing style
constrained game
Corticism
Corydalis pseudoadoxa
cruise speed range
culgee
Cumberland Gap
cyclopentanoperhy drophenanthrene
deficit covering loan
degradation failure rate
deliquesence
Demyansk
deprioritising
direct drive cyclometer
don't cry
Dourado, Cachoeira do
englehart
epioblasma sulcata perobliqua
eroticizing
Excoecaria cochinchinensis
exterior evacuation light
extractum platycodi liquidum
extrapolation number
Father Winter
fatigued product
fishery protection vessel
free-running differential
frgt.
gabb
Geat
goloe-shoe
hand-pulling
heart of gold
heat-resistant coating
hodgskin
Husillos
incidental science experience (ise)
item manager
Land of Enchantment
lariam
liftline
mazzettiite
microangioma
Miocaina
Molos
movilene
Mérignac
neutral-density filter
Nizina River
outward curvature
over-play
paisa
paradon
pentaerythritol tetrastearate
pollution-free engine
Polypodium vulgare
porogadus guentheri
process tree
prysor
public-utility
pyrifolia
Rama II
razo
reconnaissance and surveillance area
refinanced loan
Sagasca
salesman itinerary
sandee
Senada
Serzh
snam
sortita
spindle jaw half coupling
stack ponring
stanty
stilicho
subtroical plant
superquick ratio
Taxable transaction
temporary lighted buoy
thermo-electric
ungirds
unstable protection
W. N. P.
weather
Wilyamz, Tall
Yaredes
zoopharmacology