[网络] 资料模型;创建数据模型;实体关联模型

Chimps show other chimps how to use tools. My roommate showed me some tricks to make better scrambled eggs. Group members teaching each other is called cultural transmission. And a study finds that a cultural transmission is behind the spread of hunt

发表于:2018-12-24 / 阅读(50) / 评论(0) 分类 Scientific American(四)月

The same technology used to make prosthetic limbs is now being used to clone some of the world's earliest manuscripts from Mesopotamia, an area near modern-day Iraq. When the US invaded Iraq in 2003, thousands of artifacts were stolen from museums in

发表于:2019-01-22 / 阅读(34) / 评论(0) 分类 自然百科2009年

Science and Technolgy 科技 Climate and the solar cycle 气候和太阳圈 Chilling out in the winter sun 在冬日的阳光中发冷 Stratospheric changes can lead to nasty cold snaps 平流层的变化能引发讨人厌的寒流 THOSE unconvinced-

发表于:2019-01-26 / 阅读(37) / 评论(0) 分类 经济学人科技系列

Brazil's National Institute of Amazonian Research and Germany's Max Planck Institute have joined efforts to build the Amazon Tall Tower Observatory (ATTO). Located along the waterways of a northern tributary of the Amazon River, the observatory was f

发表于:2019-02-02 / 阅读(43) / 评论(0) 分类 英语新闻

Science and technology 科学技术 Climate and the solar cycle 气候与太阳周期 Chilling out in the winter sun 冬日下的冷噤 Stratospheric changes can lead to nasty cold snaps 平流层变化引起讨厌的严寒 THOSE unconvincedand those

发表于:2019-02-16 / 阅读(53) / 评论(0) 分类 经济学人科技系列

Climate and the solar cycle 气候和太阳圈 Chilling out in the winter sun 在冬日的阳光中发冷 Stratospheric changes can lead to nasty cold snaps 平流层的变化能引发讨人厌的寒流 THOSE unconvincedand those seeking to unconvinc

发表于:2019-02-24 / 阅读(68) / 评论(0) 分类 经济学人综合
学英语单词
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Aholibamah
Angelo Correr
apparent screen image size
audit modification
authoritarian parenting style
basket cells
Battey bacillus
batus
beleaguering
bladed aggregate crystal
blind buckler
bordered pit
bottoming effect
calibrator above ice-point
Calvao
campsho
cartilagines santoriniana
cerdocyon thous
check upon
convulse
Crepis phoenix
crosshairs
davidovich
do-hicky
dw.
effective mechanism
equalized assignment
ethylenediaminetetracetates
fire go on
fit ... up
flux divergence
functional gene
fused eyeball
genus Elettaria
goal-oriented recognizer
greenery-yallery
gummase
hand throw crossover
helal
Helwingia
high desnity metal
immixes
imogolite
ink-jet recording
insulating sleeving
intensity of passenger flow
International Bank of Reconstruction and Development
involuntary muscles
karyoskeleton
Kashyukulu
Kien Thuy
kitchen towels
kommersants
l'italie
La Guardia, Fiorello H(enry)
LANO-C
lidmargin
live-bearing
lizure
lobar(perfusion)defect
low-visibility
medium-grained grinding stone
memorializers
mesh cycle
morkel
muscle banner
neutron life cycle
NIESR
nightcap
northern sucker
old ice
pepper oil
Pinilla de Toro
pipe laying
polode tangent
polynuclear complex
positron source
postembryonic adaptation
posterior nasal nerve
PP (parallel processing)
preceptorate
probability estimate
process context switching
quotation department
rayon fabric
red rubber oxygen hose
reduce price without loss of quality
remorse
saturated characteristic
sawtooth-clothed drum drafter
sphinx moth
ST_doing-and-achieving_describing-the-leading-position
still-H
synthetic system
throwboxes
Titanmagnetite
torch cutoff
transter
unessentiality
urban-rural continuum
Zero-day flaw