资料库逻辑设计

[00:00.00]Chapter 9 Database Management System [00:03.07]第九章 数据库管理系统 [00:06.14]Dialogue 1 [00:07.82]句型1 [00:09.51]A:Hey ,Greg , Check out my new wallpaper! [00:12.43]嘿,Greg,看一下我屏幕的新背景画面! [00:15.

发表于:2018-12-05 / 阅读(262) / 评论(0) 分类 电脑英语

English number words are pretty logical after a point. From twenty-one to ninety-nine, the same principle applies: the tens place followed by the units place. But the teens are different. 英文数字从某个数开始就相当符合逻辑。从21到

发表于:2018-12-12 / 阅读(127) / 评论(0) 分类 英美文化

Everyone who has been a student has probably experienced something like this: It is the night before a big test in one of your most difficult classes. You tried your best to study all the information you think will be included in the test. But you ar

发表于:2019-01-03 / 阅读(135) / 评论(0) 分类 2017年VOA慢速英语(十一)月

序号 中 文 英 文 术语解释 缩写 来源 141 操作与维护 OAM YD/T 1123-2001 142 操作系统 OS YD/T 1123-2001 143 开放系统互联 OSI YD/T 1123-2001 144 始发/终接CAMEL用户签约

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 161 光配线网 Optical Distribution Network ODN YD/T 1250-2003 162 光线路终端 Optical Line Termination OLT YD/T 1250-2003 163 光网络单元 O

发表于:2019-01-08 / 阅读(171) / 评论(0) 分类 电信英语

New Brain-Image Database Could Assist Chronic Pain 新的脑图像数据库能帮助治疗慢性疼痛 From VOA Learning English, this is Science in the News. Im Christopher Cruise. And Im Faith Lapidus. Today we tell about a World Health Organizatio

发表于:2019-01-12 / 阅读(211) / 评论(0) 分类 2014年VOA慢速英语(二)月

AS IT IS 2016-09-08 Paralympic Games Begin in Brazil 残奥会在巴西开幕 This is Whats Trending Today Rio de Janeiro is home for the next 11 days to thousands of athletes competing in the 2016 Paralympic Games. The Paralympics are an internation

发表于:2019-01-12 / 阅读(111) / 评论(0) 分类 2016年VOA慢速英语(九)月

By Deborah Block Washington, DC 24 January 2006 watch Bird Flu Database report A computer database in the United States is helping researchers find a human vaccine for the bird flu virus -- a disease

发表于:2019-01-13 / 阅读(234) / 评论(0) 分类 2006年VOA标准英语(一月)

SCOTT SIMON, HOST: Police departments across the U.S. are using electronic databases to store intelligence on gang activity. These databases have been heralded by police as a crime fighting tool. But some activists in Chicago claim they do more harm

发表于:2019-01-16 / 阅读(170) / 评论(0) 分类 2018年NPR美国国家公共电台1月

[00:00.00]1.M:Are you going to tell Mr.Johnson that you are looking for another job? [00:05.75]W:No,not yet.If I don't find one,I'll probably stay here a while longer. [00:11.31]Q:What is the woman doing? [00:13.30]2.M:Have you bought your books yet?

发表于:2019-01-25 / 阅读(125) / 评论(0) 分类 英语六级听力练习集锦

English number words are pretty logical after a point. From twenty-one to ninety-nine, the same principle applies: the tens place followed by the units place. But the teens are different. 英文数字从某个数开始就相当符合逻辑。从21到

发表于:2019-02-01 / 阅读(124) / 评论(0) 分类 阅读空间

BEIJING, Sept. 26 (Xinhuanet) -- Fu Ming'ai was reunited with his family on Sunday after 22 years. He is one of the more than 1,400 abducted children who were helped by a national DNA database, which helps match trafficked children and their parents.

发表于:2019-02-02 / 阅读(162) / 评论(0) 分类 英语新闻

In recent years, air hostessing has come to be seen as one of the most competitive jobs in China. It has extremely strict requirements, and approximately 50 people apply for each available position. 近年来,空姐已被视为中国最具竞争力的

发表于:2019-02-03 / 阅读(115) / 评论(0) 分类 英语新闻

Chinese scientists are using animals to try to predict when an earthquake may strike, it's reported. 据报道,中国科学家正在尝试用动物预报地震。 Seismologists in Nanjing, the capital of eastern Jiangsu province, have set up seven

发表于:2019-02-08 / 阅读(183) / 评论(0) 分类 英语新闻

日出而作,日落而息。这是人类社会一代代传承下来的生活作息规律。 当然,随着科技的发展和生活方式的转变,我们不可能在太阳落山以后就进入休息状态。但是,晚上休息、白天工作依然

发表于:2019-02-09 / 阅读(110) / 评论(0) 分类 英文语法词汇

Is it acceptable to write alright as one word, rather than two separate ones? For example: 将all right 用单个单词alright来代替是不是可以接受的呢?比如: She calls them whenever she is travelling to assure them she is alright. 无论

发表于:2019-02-13 / 阅读(107) / 评论(0) 分类 英文语法词汇

The director of the United Nations Industrial Development Organization has met with Kenyan finance officials to discuss the launch an African-wide database designed to help governments promote investment in their countries. The database contains info

发表于:2019-02-18 / 阅读(132) / 评论(0) 分类 英语新闻

见面后要亲切问候 求职者带给面试官的第一印象一定要落落大方,见面后一定要亲切问候。通常面试官的桌上会有名牌,如果面试官姓李,求职者可以从Good morning, Mr. Lee开始,拉近两人的距离

发表于:2019-02-18 / 阅读(182) / 评论(0) 分类 实用英语

托福听力叫你重新做人!托福听力贯穿口语、写作、听力这三个部分,很多同学们已经备托福听力折磨的遍体鳞伤,针对这样的情况,老师给出了关于托福听力复习策略的详细解读。 多少少男少

发表于:2019-02-19 / 阅读(174) / 评论(0) 分类 托福英语

As logical thinkers and problem solvers, we've been taught that the best way to achieve our desires is to set a goal, create a plan and take massive action. 我们懂得逻辑思考,懂得如何解决问题。我们学过,要获得自己想要的东

发表于:2019-02-23 / 阅读(139) / 评论(0) 分类 英语听力广播—Listening
学英语单词
11-deacetoxywortmannin
acetic acid preserve
additive combination
agenda sheet in audit
albunea occulta
alternating mydriasis
amboyna pines
ananaba
angle of site scale
arenicochrome
astigmation
banded mongoose
banjo enclosures
bar gravel
be as high as a kite
bi-rotation
blotchy
boxlike bacteria
chimane
class of triangulation
coupler pocket
criminal cases
croturea
cutter and tool grinding machine
cybotactates
data ground station
Desmobacteria
Diospyros glaucifolia
diplectanids
Distoma capenee
drays
dressing of grinding wheel
dry-blanch-dry process
enfouldred
epitaxy defect
film overlay
finrot
format-pattern
frequency difference
Giorgi-system
grenaded
hcus
heun scheme
high-frequency seal machine
holder for value
hydraulic bottom-hole pump
immunoprecipitates
interchangeable-bearing
inverted papilloma
iridioscope
Karagoua
kasischke
Lagrangian dynamics
lap course
learning network
Litchfield County
marianella
marshal-man
mercury-arc DC transformer
methanometer
moscow' uganda
necronomicons
non-uniform torsion
nonevergreen
nursery area
nustaleek
oil based coating
Okha
omh
opsthobranchial
pargo
pipe plug
plastics for electrical purpose
poll list
powder for anesthesia
power brokers
primitive Monro's foramen
primitive sac fungi
probation service
purblind
quantization
red ginger
repeating firearm
ring wale
robinetinidol
rubber belt conveyer
sand soap
sheave drive
six-shot
skeeved out
slippery sequence
snaggers
thyme-leaved speedwell
tunnel flexor
ulmus alatas
uncurry
unmetaphysical
voluntary restraint agreements
wre
yarmulke, yarmulka
yarncraft
yeares