[数] 正态双样本模型

The way we sample much of the world's oceans, to see what's living down there, is pretty basic: Ask fishermen. Or just stick a net down there, and examine what we catch. Neither method is ideal. Because you basically catch the fish and kill them. Phi

发表于:2018-12-24 / 阅读(31) / 评论(0) 分类 2016年Scientific American(十一)月

Problems with samples A: John? Can you come over here for a second? B: Certainly, Mr. Emory. What can I do for you? A: I need you to take a look at these samples. I think there are a few problems. B: Sure. Let me look over them and Ill bring them bac

发表于:2018-12-25 / 阅读(34) / 评论(0) 分类 办公室英语口语

Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t

发表于:2019-01-04 / 阅读(64) / 评论(0) 分类 VOA2004(上)--各类新闻

A: Hello, could you tell me my test results? B: Your results are posted on the website. Just put in your password and you can see the exact numbers. A: Are you saying that all my results were normal? B: We always contact you by phone to come in if th

发表于:2019-01-15 / 阅读(87) / 评论(0) 分类 英语情景对话-健康

By Chad Bouchard Jakarta 07 February 2007 The Indonesian government has announced it is withholding samples of a deadly bird flu virus in light of its new partnership to develop a vaccine with a U.S. drug company. As Chad Bouchard reports from Jakart

发表于:2019-02-05 / 阅读(81) / 评论(0) 分类 2007年VOA标准英语(二月)

Are you a normal person? 你是正常人吗? During a visit to the mental asylum, a visitor asked the director ..., What is the criterion that defines a patient to be institutionalized? Well... said the director, we fill up a bathtub, and we offe

发表于:2019-02-06 / 阅读(60) / 评论(0) 分类 趣味英语
学英语单词
aluminium ion
bottom door winding chain belt fastener
break in invert
broken traces
bromcresol green
buffalo nickle
busbar mosaic cracking
cano
Canquelifá
carbuncular fever
cascade losses
caving-height ratio
chamos
clarinet section
co-prosperities
code dependence
correction introducing handle
dachshunds
decision of arbitration
douglasscope
electronics-assembly
enitia pars
exhaust volute
expiringly
external auditory canals
face-plate starter
FOOB
garbage signal
government legislation
gulfs of sidra
hot inspection
hurricane sampler
hyperesin
i.k.
idlemachine
inconsistency of invoices and goods
indirect air cooling
instructional media fo library orientation
interfacical polymerization
Japanese tile
Jose Ortega y Gasset
Kenya, Mt.
laboratory manuals
lanceramp
lapsed writ
lies behind
little black ant
machine cognition
measurement of noise
meta-tolyl-n-methylcarbamate
milk-sops
moisture transmission
motor with air cooling
Muskhogean language
on the matter
orthographic exercise
phanaticism
pointe claire
preference formation
racemelike
rain water
recourder
Reichert's recess
rhamphorhynchids
Routh array table
Sarcina lactea
secondary-level address
self-citations
self-intersection
service industry
services per conception
shantihs
simarouba glaucas
soda circulating pump
soo wee
source normalization
sowards
Spearman's rank correlation coefficient
squit
stock capacity (of a pasture)
swards
teleinformatics
temperature control amplifier
throat region
time regulator
Tineo
to give the floor to
tower spotting
traice
trans card
two-byte code
two-dimensional NMR spectroscopy
uneven running
unguardednesses
unicrystalline silicon thermistor
unpathwayed
useless species
vertical wood milling machine
wamble
wdg
wildness
zero-subcarrier chromaticity