最小二乘方估算

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是,如果一对氨基酸的一个侧链折叠后很长,

发表于:2018-12-05 / 阅读(133) / 评论(0) 分类 经济学人科技系列

by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t

发表于:2018-12-07 / 阅读(110) / 评论(0) 分类 数学英语

2a [00:03.95]Listen and circle the words you hear. [00:06.47] [00:07.42]OK,now I want to hear everyone's [00:10.62]predictions about the future. [00:12.83]Well,I think there will be more people. [00:16.52]More people? [00:18.60]OK,what else? [00:20.2

发表于:2018-12-13 / 阅读(150) / 评论(0) 分类 新目标初中英语八年级下册

[ti:UNIT 2 On the Train Lesson 13] [0:00.469]UNIT 2 [0:01.946]On the Train [0:03.474]Lesson 13 [0:05.506]What Are You Doing? [0:08.091]THINK ABOUT IT! [0:10.267]What is your favourite game? [0:12.886]Why? [0:14.364]Do you like babies? [0:16.560]Why o

发表于:2018-12-13 / 阅读(183) / 评论(0) 分类 河北教育初中英语(初中起点)七年级下册

Patterns 模型 A pattern has lines or shapes, and it is a kind of design. 模型有线条或形状,是一种设计。 Where can we find a pattern? 我们从哪里能找到模型呢? Think about a chessboard. 想想棋盘吧。 The chessboard has

发表于:2018-12-13 / 阅读(83) / 评论(0) 分类 与美国小学生一起学英文第6册

Let's learn how to play the game of checkers. Two players choose one color of the round disks known as checkers. In this particular game, the checkers are red and black. There are 12 black checkers and 12 red checkers. The checker board consists of 6

发表于:2018-12-28 / 阅读(80) / 评论(0) 分类 中级类英语听力

Different shapes and forms are everywhere. Boxes and street signs are square or rectangular. Balls and wheels are round. The sun and moon are round. Wedding rings are round. Eggs and light bulbs are almost round. Pyramids and arrow tips are triangula

发表于:2019-01-02 / 阅读(108) / 评论(0) 分类 简单慢速英语阅读

North America will have six more weeks of winter, says Punxsutawney Phil, the most famous groundhog in the United States. Phils keepers reported his weather prediction Friday morning on the U.S. observance of Groundhog Day. Every year, on February 2,

发表于:2019-01-03 / 阅读(160) / 评论(0) 分类 2018年VOA慢速英语(二)月

UNIT 17 How Many Squares Are There?\n [au:]第17单元 有多少个正方形?\n [00:07.50]Dialogue\n [au:]对话\n [00:09.70]Look and listen. Then read and act in groups.\n [au:]看和听。然后分组朗读和表演。\n [00:15.63]Mr Chen: How ma

发表于:2019-01-09 / 阅读(223) / 评论(0) 分类 广州版金太阳小学英语三年级上

UNIT 18 Lets Go Further\n [au:]第18单元 拓展学习\n [00:04.56]Story Time\n [au:]故事时间\n [00:06.94]Look and listen. Then read and act out the story.\n [au:]看一看,听一听。然后朗读和表演这个故事。\n [00:12.86]Mr Leo: L

发表于:2019-01-09 / 阅读(207) / 评论(0) 分类 广州版金太阳小学英语三年级下

[00:06.69]Unit 4 [00:08.29]What a big school! [00:11.10]Lesson 24 [00:13.43]Revision [00:15.79]Listen, Read and Say [00:18.95]Look! This is my school. [00:21.88]There are three buildings in it. [00:24.15]The tallest one is the teaching building. [00:

发表于:2019-01-09 / 阅读(177) / 评论(0) 分类 快乐英语第六册

[ti:UNIT 5 Li Ming Goes to Canada Lesson 37] [0:00.707]UNIT 5 [0:02.295]Li Ming Goes to Canada [0:04.909]Lesson 37 [0:07.118]Mr. Wood's Lesson [0:09.734]THINK ABOUT IT! [0:11.283]What is the weather like in your city today? [0:15.000]What is the temp

发表于:2019-01-09 / 阅读(230) / 评论(0) 分类 河北教育初中英语(初中起点)七年级下册

并不只有汉语才会把形状变成我好方这类的习语的(这并不是习语好嘛!) 方,square,在英语里的出镜率可是高得惊人呢。 今天,双语君就来盘点一下英语里那些让人方了的表述。 Square 方形 to

发表于:2019-02-04 / 阅读(93) / 评论(0) 分类 英文语法词汇

The latest app that's sweeping the web is the fiendishly addictive, and surprisingly difficult, Kuku Kube. 最新颜色辨识应用程序Kuku Kube正在席卷网络,它像恶魔般使人上瘾,并且难度惊人。 It has been designed to put you

发表于:2019-02-04 / 阅读(102) / 评论(0) 分类 阅读空间

20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

发表于:2019-02-05 / 阅读(263) / 评论(0) 分类 阅读空间

BEIJING, July 12 (Xinhua) -- The Asian Development Bank (ADB) on Thursday lowered its prediction for China's economic growth to 8.2 percent in 2012 and 8.5 percent in 2013, although a bank official said a hard landing is unlikely. The ADB made the re

发表于:2019-02-06 / 阅读(133) / 评论(0) 分类 英语新闻

在新托福阅读的考查中,每篇文章必会出现一类题,叫做Insert Text Questions,即插入句子题(简称插入题)。考试中,考生会遇到一句话,问该句插入文中哪里最合适。如下面例题: The raising of l

发表于:2019-02-13 / 阅读(109) / 评论(0) 分类 托福英语

And in the local square, what would we see. 在广场上,我们会看到一些景象。 Well, in western countries often you won't see anyone other than young people, 在西方国家,我们通常不会在广场上看到年轻人以外的任何人,

发表于:2019-02-13 / 阅读(120) / 评论(0) 分类 TED演讲国际问题篇

This accomplished, however, he turned round-when, good heavens; what a sight! Such a face! 不过,他把绳子解开后,转过脸来,啊,老天爷;多怕人呀!这样一张脸! It was of a dark, purplish, yellow color, here and there stuck over with

发表于:2019-02-17 / 阅读(84) / 评论(0) 分类 白鲸记

Even as it was, I thought something of slipping out of the window, but it was the second floor back. 就在这种情况下,我还是想要从窗口跳出去,可是,窗子是开在二层楼的后背,没法跳。 I am no coward, but what to make of thi

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 白鲸记
学英语单词
a brood of chickens
a male pig
altitude test chamber
artillery shell
arvydas
axially symmetric sea gravimeter
balanced multiway merge
be opposed to
Beef Recording Association
belovingly
block-group
boubacar
bridging table
brow leakage
Cee-spring
central message processing
charcoal agglutination test
configuration error
consumability
contractionary
control building
cop-shops
crazy from
cubbridge-heads
delahunt
desugaring
disagree with someone
dormitive principle
edlefsen
egg-sized
elevatedness
employment counseling
endostylar
entry level
file a claim in court
fixed branch point
fogals
footstalk
geostrophic stretching deformation
grade tester
green heron
harvesting rice during wet season
hash indexing
hematidrosis
homager
Hyposegmentation
iceclouds
igbesanmwan
immerseable finger
intraocular pressure
jacas
Jennilyn
jockocracies
kichel
Korona
Kular
liquible
magnetostriction magnetometer
mean synodic lunar month
medical-equipment
metr-
microcomputer data acquisition and processing system
mid-adolescence
military governor
Moreclacke
Mosander
multi-channel car kiln
n.i.
normal velocity component
Nubian Sandstone
old topography
one-phase electric-arc furnace
origanum vulgare L.
oscheocele
periodic market system
pisanoes
postspinal(anesthesia)headache
Professional Graphics Adapter
quannas
refback
relief highway
reyno
rod straightener
serpentine concrete
SETVER.EXE
smedvig
spinning roller
split slab
supermarket banking
theoretical resolution
therm-
things without us
time delay undervolt relay
took shape
transdimethyltetrahydronaphthalene
traveling crane
umbrella pruning
undersigning
United States Coast Guard Air Station
up regulation
Wyoming Valley
zalpin