序贯检验的平均样本容量

A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d

发表于:2018-12-02 / 阅读(246) / 评论(0) 分类 英语情景对话-健康

[00:05.15]第十三部分 化验取样 [00:10.29]1.The first test is no problem, [00:12.92]做第一项检查没有问题, [00:15.54]but the second one has to be done on an empty stomach. [00:33.78]但第二项目得空腹做. [00:52.01]2.How long do I have to fast? [01:01.04]

发表于:2018-12-05 / 阅读(312) / 评论(0) 分类 医疗服务英语

[00:00.00]Big Challenges 巨大的挑战 [00:05.19]Keep staring! I might do a trick! [00:09.67]Thats the message on a T-shirt of mine. [00:13.63]People stare at me all the time [00:15.91]so I thought this shirt would be funny. [00:18.22]See Im a dwarf.

发表于:2018-12-06 / 阅读(253) / 评论(0) 分类 语言的力量

We have not made any decision about arming the rebels or providing any arms transfers so there has not been any need to discuss that at this point. We did discuss non- lethal assistance. We discussed ways of trying to enable the transition national c

发表于:2018-12-20 / 阅读(212) / 评论(0) 分类 CNN2011年(四)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(209) / 评论(0) 分类 单词解析速记

A new OECD report shows that New Zealanders pay more for their housing than most other developed countries. On average, New Zealanders spend 26% of their income on a place to live either paying rent or paying a mortgage. The average for all OECD coun

发表于:2018-12-31 / 阅读(159) / 评论(0) 分类 新西兰英语

by Jason Marshall In the last article, we talked about averages and one specific way statistics can help answer questions without letting emotions interfere. But the type of average value we talked about is just one of manyuseful meanings assigned to

发表于:2019-01-02 / 阅读(287) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag

发表于:2019-01-02 / 阅读(263) / 评论(0) 分类 数学英语

A major study carried out in Norway suggests IQ scores among men there have been falling since the mid-1970s. The study involved more than 700,000 men born to Norwegian couples between 1962 and 1991. The research was carried out by Oslos Ragnar Frisc

发表于:2019-01-03 / 阅读(163) / 评论(0) 分类 2018年VOA慢速英语(六)月

These two pictures illustrate the extraordinary way that women's bodies have changed in the last 60 years. 上面两幅图显示了近60年来女性身材发生了惊人的变化。 In 1957, the average-sized British woman was 5ft 2ins tall, weighed

发表于:2019-01-07 / 阅读(231) / 评论(0) 分类 英语新闻

Mars 火星 Mars is a planet. 火星是行星。 It is next to the Earth. 它紧邻地球。 Its size is about one fourth of the Earth. 它约有四分之一个地球大。 Mars is not far from the Earth, but the environment is very different. 火星离

发表于:2019-01-10 / 阅读(167) / 评论(0) 分类 与美国小学生一起学英文第5册

Men find averagely shaped women more attractive than fashion models and Playboy centrefolds, claim scientists. Researchers found that men preferred the shape of ordinary women, equivalent to dress size 14, than so-called super-attractive models, acco

发表于:2019-01-19 / 阅读(238) / 评论(0) 分类 阅读空间

Below you will find a sample outline and the essay written from that outline. OUTLINE Paragraph 1 (Introduction) I. Leading sentence: It took me eighteen years to realize what an extraordinary influence my mother has been on my life. II. Summary of m

发表于:2019-01-20 / 阅读(257) / 评论(0) 分类 实用英语

拓扑排序 topological sort 偏序 partical order 拓扑有序 topological order AOV网 activity on vertex network AOE网 activity on edge network 关键路径 critical path 匹配 matching 最大匹配

发表于:2019-02-01 / 阅读(200) / 评论(0) 分类 实用英语

服装类 SZ SPEC---SIZE SPECIFICATION MEAS.---MEASUREMENT A/P SPL---APPROVAL SAMPLE P/P SPL---PRE PRODUCTION SAMPLE S/P SPL---SHIPPING SAMPLE FAB---FABRIC ACC---ACCESSORY BTM---BOTTOM FRT---FRONT BK---BACK PKT---POCKET PLKT---PLACKET SLV---SLEEVE CLR--

发表于:2019-02-06 / 阅读(256) / 评论(0) 分类 英文语法词汇

They may be called smartphones but the handsets could be damaging some students grades。 他们被称为智能手机,然而这些电子设备也许正在影响学生们的功课成绩。 In an experiment, pupils who were given a free iPhone used i

发表于:2019-02-18 / 阅读(172) / 评论(0) 分类 英语新闻

They may be called smartphones but the handsets could be damaging some students grades. 他们被称为智能手机,然而这些电子设备也许正在影响学生们的功课成绩。 In an experiment, pupils who were given a free iPhone used it

发表于:2019-02-18 / 阅读(138) / 评论(0) 分类 阅读空间

How do you gauge a country's well-being? The usual approach is to look at economic indicators like GDP or employment figures, or social ones like literacy levels or crime rates. But in Britain politicians are seeking a much more basic measure of the

发表于:2019-02-21 / 阅读(136) / 评论(0) 分类 英语听力精选进阶版

A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then

发表于:2019-02-27 / 阅读(225) / 评论(0) 分类 健康-Health

Has your waistline expanded recently? How about your feet? Researchers have discovered human feet are increasing in size to cope with the extra weight we're putting on them due to obesity. According to a recent survey in Britain by the College of Pod

发表于:2019-03-04 / 阅读(162) / 评论(0) 分类 英语听力精选进阶版
学英语单词
2-chlorothiophene
atrophic catarrh
be on the door
bitstock
bottomed out
bullet-pointed
call bell
cargo rope
carrier zero method
chiral nematic phase
chromatopsy
commelinids
complementee
crank travelling gear
cross-promote
cultus-cod
death from illness
desert crust
diphallus
document management
double duty regulator
drive master
electoral colleges
enfevered
ereynetal
Eunephran
export freight and insurance account
father file
feed ore addition
Feynman-alpha experiment
fibre-optic rod multiplexer-filter
fingerprint specialists
float bell pressure gauge
follow one's bent
footrot
front part theoretical length of turnout
gear material
gooseley plant
grinding paper
hang on the skirts of
heavily polluted
IM board
improficiencies
initial magnetization
intensifying effect
kentish plow
laboulbenia tachyis
lammas days
leptocythere ventriclivosa
lupus cell
macrohistorical
managing partner
mapping in the reverse direction
maritime flag
marketists
metallized-paper capacitor
moulded plastics
mounth
musculi rectus inferior
nobbiness
nose counts
nothing of
Noyes
outlet pump
peziza badia
pleuritic agar
Poincaré Seamount
polykrates
polythene insulation
poststructuralist discourse analysis
prime-cut naphtha
product question
prophanely
psychology department
pulse short wave diathermy
rafelson
ratio arms
root of iris lactea
runaway industry
sac fungi
sandarachs
scan line corrector
screwpress
secondary exception vector
serendipiter
signature with appendix
state of cyclic operation
suffounge
taking-in charge
trade-naming
transmission loss distance
Trieux
triscyclopentadienyl uranium chloride
tuig
two-dimensional electron gas
types of compliance tests
Unaffordable Care Act
uniformity test
unit line reactance
value of purchase
with a stroke of the brush
Z-flap