累积频数分布;累积频数分配

What is Bluetooth? Bluetooth is a universal radio interface in the 2.45GHz frequency band that enables portable electronic devices to connect and communicate wirelessly via short-range, ad hoc netwo

发表于:2018-12-08 / 阅读(101) / 评论(0) 分类 新概念英语第一册Flash第2版

[全屏观看] 点击右键- 另存为 可保存这个Flash影片

发表于:2018-12-10 / 阅读(145) / 评论(0) 分类 大学六级6000单词速记动画版

What's the frequency kenneth is your benzedrine Uh huh I was braindead locked out numb not up to speed I thought I'd pegged you an idiot's dream Tunnelvision from the outsider's screen I never understood the frequency Uh huh You wore our expectations

发表于:2018-12-13 / 阅读(127) / 评论(0) 分类 Friends 老友记全10季英语插曲

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(114) / 评论(0) 分类 2011年VOA慢速英语(十)月

[ti:UNIT 7 Sports and Good Health Lesson56] [0:00.886]Unit 7 [0:03.266]Sports and Good Healthy [0:06.443]Lesson 56 [0:09.320]Unit Review [0:11.461]Ⅰ. [0:12.879]Building Your Vocabulary [0:15.624]A. [0:16.807]Fill in the blank with the proper word.

发表于:2019-01-09 / 阅读(139) / 评论(0) 分类 河北教育初中英语(初中起点)七年级下册

Robot Can Help With Farm Work 可以帮助农民干活的机器人 In the American state of Idaho, a robot moves between lines of fruit trees and grapevines. It is doing farm work. Called IdaBot, this robot is a prototype, or model. An engineering te

发表于:2019-01-12 / 阅读(396) / 评论(0) 分类 2016年VOA慢速英语(十一)月

High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are

发表于:2019-01-14 / 阅读(114) / 评论(0) 分类 VOA标准英语2014年(四月)

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(76) / 评论(0) 分类 TED演讲国际问题篇

Lexington 列克星敦 The long road home 回家的路还长着呢 How Osama bin Laden's death, and life, have changed America 奥巴马如何对待奥萨马本拉登之死,无形之中,已经影响了美国 May 5th 2011 | from the print edition

发表于:2019-01-26 / 阅读(138) / 评论(0) 分类 经济学人综合

还记得孙燕姿那首红遍大江南北的《绿光》吗?翻越过前面山顶、层层白云,绿光在哪里?不知道有多少人跟小编一样,以为歌里的绿光只是对幸福的比喻。而其实在现实中,绿光是真实存在

发表于:2019-01-28 / 阅读(79) / 评论(0) 分类 实用英语

There are many ways to express the frequency of events. Here are just a few. 你可以用许多方式来表达事情发生的频率,以下仅为其中一些。 1. a few times 1.几次 2. all the time 2.总是 3. almost always 3.几乎总是 4. almo

发表于:2019-02-03 / 阅读(129) / 评论(0) 分类 实用英语

BEIJING, Feb. 5 (Xinhua) -- China on Tuesday unveiled reform guidelines on income distribution amid growing public concerns over a widening wealth gap. The guidelines encourage further work to improve the initial distribution system and stepped-up ef

发表于:2019-02-03 / 阅读(89) / 评论(0) 分类 英语新闻

The men take everything, but the women -- nothing -- Camp resident Rosemonde Desmesier Residents of makeshift tent cities throughout Port-au-Prince say that conditions have improved since the earthquake three weeks ago, but shortages of food and reli

发表于:2019-02-03 / 阅读(113) / 评论(0) 分类 VOA标准英语2010年(二月)

Former U.S. President Bill Clinton, the United Nations special envoy to Haiti, is visiting that earthquake-ravaged country, where relief efforts are gaining momentum as tens of thousands of survivors await food, water and other basic necessities. In

发表于:2019-02-03 / 阅读(88) / 评论(0) 分类 VOA标准英语2010年(一月)

By Lisa Schlein Geneva 21 August 2007 United Nations aid agencies say the distribution of humanitarian assistance to victims of Peru's devastating earthquake remains problematic. But they say the situation is beginning to ease. Lisa Schlein reports f

发表于:2019-02-03 / 阅读(166) / 评论(0) 分类 2007年VOA标准英语(八月)

统计学名词词汇 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 infer

发表于:2019-02-03 / 阅读(75) / 评论(0) 分类 英文语法词汇

统计学名词英语单词 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 i

发表于:2019-02-06 / 阅读(96) / 评论(0) 分类 英文语法词汇

BEIJING, July 11 (Xinhua) -- The State Council, or China's Cabinet, announced on Wednesday that it will boost the development of the nation's distribution industry with the goal of establishing a modern goods distribution system that is efficient, co

发表于:2019-02-08 / 阅读(101) / 评论(0) 分类 英语新闻

视频在英语中常表示为: video frequency (V.F.); vision frequency; visual frequency; video 例句: 1. 谁说视频游戏不能被赋予教育意义? Who says video games aren't educational? 2. 选择面广而且视频质量高。 High qualit

发表于:2019-02-18 / 阅读(86) / 评论(0) 分类 英语口语

population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统

发表于:2019-02-18 / 阅读(82) / 评论(0) 分类 英语口译
学英语单词
Alford
alien tax
annealing in mould
anvil edge
aquolls
arrest sb.on a charge of
Aussat
automatic weighing scale
average running time
Babase I.
ball wire nail
Barber-Colman automatic spooler
blastogenetic
Bogen cage
boileau
Cantharidium
classbooks
cock key seat
colored auditions
comminative
continuous tamping
coupling efficiency
crataerina (stenepteryx) hirundinis
Culmerland
cupola foundation
curvum
decades-old
diathermaneity
doctor-bar
dust deposit
ectothermies
electric pigs
empathyless
forfended
fourth wall
genus Pogonia
gley podxol (podzol)
Hottentot
instrument indication
intact family
investment financing
jaume
launch stand
leibholz
liquid displacement displacement technique
little ol'
loss offset
m.r.e.
metricized
mightiest
Mizonovo
mouse-fall
National Operational Meteorological Satellite System
nematogranoblastic
network architectures
nonsilvered
not that
nucleary
obsessive doubts
ocean liners
out-dwelling
P0
pacchionian bodies (or arachnoid granulations)
paid-in surplus
palisade fungi
pentaconter
periangioma
Piedmont National Wildlife Refuge
poly(vinyl alcohol)
pose for a photograph with
postedit
projected-core spark plug
RDH
running headlines
Santiaba Mandjak
self-directed work team
self-validations
singlings
slotted screw
sports-media
spring-summer
steel teeth
stereotaxic cordotomy
straight-armed pulley
stren
strength-of-flood interval
superflood
Tally ho!
tan-pit
Tannisby
tarsal organ
thelicsimidine
tower-blocks
uniform metric
unoccupied play
utipossidetis
viewres
VoiceLink
web-eye
wind-detecting radar
winnipeg