无偏方差,均方差

13 Liberal and Conservative News GLOSSARY rag a poor-quality, unimportant newspaper * Hennah writes for the local rag, but she dreams of becoming a reporter for anational newspaper. news coverage the stories and events that are discussed in a newspap

发表于:2018-12-03 / 阅读(64) / 评论(0) 分类 2010年ESL之餐饮娱乐

在英语四级阅读理解题目中,常有考察作者态度的题目,大致可以分为以下几类,供大家来做下参考: 积极: approval 赞成,承认 approving 满意的 concerned 关心的,重视的 confident 自信的,确信的 complimentary 赞美的 impartial 全面的,公正的 objective 客观的 o

发表于:2019-01-08 / 阅读(51) / 评论(0) 分类 大学四六级阅读

How to Safeguard Your Income Im a big believer in diversification. Putting all your eggs in one basket is dangerous, especially in your personal finance. Diversification is a good way to reduce your risks. The question is how we should go about diver

发表于:2019-01-31 / 阅读(63) / 评论(0) 分类 阅读空间

Science and technology 科学技术 HIV and AIDS 人体免疫缺陷病毒和获得性免疫缺陷综合征 Till death do us part 直到死神将我们分开 Putting numbers on infidelity 细数出轨之罪 ONE of the problems of dealing with a sexual

发表于:2019-02-05 / 阅读(44) / 评论(0) 分类 经济学人科技系列

我原来曾经给我的一个同学改作文,发现她经常写一些让我感觉哭笑不得的句子。 例如: At the first glance, the argument seems sound, but with a further look, I find it problematic. 前半句是忠实引用,后半

发表于:2019-02-09 / 阅读(63) / 评论(0) 分类 GRE作文

Todd: Hey, Greg, you got a great dog. Where did you get your dog? Greg: Actually, my dog and I sort of found each other. I was moving from one house to another and as I was moving from the parking lot to my house, I saw this really skinny dog that lo

发表于:2019-02-24 / 阅读(74) / 评论(0) 分类 英语趣味课堂
学英语单词
accrued payables
Aire-sur-la-Lys
Alice's Adventures in Wonderland
allobaric field
antique bronze colour
apoaequorin
automatic ladling
Babil, Liwā' al
barrels per calendar day
bbsd
Beyrichiopsis
blepharydatis
bronzite andesite
bufotalin
Campese
chain of food
clarifying solution
contact with other cargo
corell
current repairs and maintenance
cytostome
dashka
DS-12
end-to-end singing
euzeolite
fall in love (with)
fettlers
filum
final drilling report
final services
Fitzcarrald
functionize
genus otuss
glabe artichoke
go-karts
haematoxylons
have a good
have someone down
hellishly
hernandaline
hexital
hibulking
Hoi Son Phuong
hometownish
homogeneity of experimental conditions
ictus sanguinis
irrigate
lamp bulb for optical pyrometer
lattice square
linifolia
lofortyxes
Lowmoor
mailstore
majuscular
margaritite
master blade
maximum molecular water-holding capacity
melanotropes
minor axis of cam
monolithic layout
moon-bat
multiband camera
negative assurance
neutral fluid dynamics
Nexit
Nortia
nuclear family
nuclear geometrical cross-section
o-Chlorotoluene
overall integration
pacemen
paid regard to
pannuscorium
paper diaper
partes prostatica
pioneer well
plasmopara halstedii(farlow)berlese et de tome
portainer
precipitation electricity
quasi-indictment proceedings
refillability
risorite
roll seal
sewer facility
sheldrun
signal alarm bell
smog reaction
solvatings
Suqian
take the wraps off sth
Tel'manove
tipper lorry
tridarn
Tyson
umbraged
under-moon
vertex cranii
Vessel Traffic Services Center
video control switch
viridissimus
weather-vanes
wind-blown moss