三角形的中线

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(280) / 评论(0) 分类 数学英语

by Jason Marshall In the last two articles weve learned how to calculate two types of average values: the mean and the median. Today, were going to continue where we left off and talk about how median averaging can be useful in everyday, real life si

发表于:2019-01-02 / 阅读(336) / 评论(0) 分类 数学英语

bizarre love triangle 演唱者:deep blue Bizarre Love Triangle Every time i think of you每次我一想到你 I feel shot right through with a bolt of blue 就仿如一个晴天霹雳击中我心房 It's no problem of mine but it's a problem I fin

发表于:2019-01-03 / 阅读(200) / 评论(0) 分类 中英翻唱歌曲

MARIO RITTER: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Mario Ritter. This week, music from banjo-playing singer Abigail Washburn. And we answer a timely question about a tragic fire one hundred years ago that changed working con

发表于:2019-01-11 / 阅读(355) / 评论(0) 分类 2011年VOA慢速英语(三)月

I think the part that Lauras talked about that it has the year 48 on it, and the size of this plan and some other things, I think we may have found the DC3 that disappeared in 1948.That is my real hunch. And I really don't see many other options for

发表于:2019-01-22 / 阅读(222) / 评论(0) 分类 自然百科2010年

It's very hard to tell. We've just hit the water. It's very hard to tell what altitude we're at. We've crashed the airplane at 930 feet. It seems clear that flying into that methane caused enough confusion in the instruments and with Thomas and he en

发表于:2019-01-22 / 阅读(244) / 评论(0) 分类 自然百科2010年

The couple use global-positioning coordinates to close in on the underwater wreck. We're about 3.6 miles away and its directly southeast from this location. A dark shape looms in the water. It's pretty close. It's easy to be fooled by clouds flying o

发表于:2019-01-22 / 阅读(202) / 评论(0) 分类 自然百科2010年

You don't have to move far up shore before the depths are tremendous and to be able to find an individual wreck in depths like that would be extremely difficult even with modern multibeam sonar technology, and certainly, incredibly difficult with a t

发表于:2019-01-22 / 阅读(209) / 评论(0) 分类 自然百科2010年

They looked for anything that may help identify the plane in the murky depths. You can see that may be 2,3 meters in front of you, yet at back, tremendous bottom motion of the water, if you dont hang on to something, it will move you really quickly.

发表于:2019-01-22 / 阅读(196) / 评论(0) 分类 自然百科2010年

Hurricanes may have helped build the myth. But writer John Quiza believes they cant explain all of the disappearances. Anything can disappear in foul weather, but for it qualify as a Triangle disappearance, it has to have the unexplainable quality to

发表于:2019-01-22 / 阅读(196) / 评论(0) 分类 自然百科2010年

The experiment proves that a rogue wave could have theoretically sunk the S.S.Poet. But Graber has spent 20 years studying this oceanic phenomenon. He knows there is no evidence to suggest that rouge waves occur more often in the Triangle than any ot

发表于:2019-01-22 / 阅读(234) / 评论(0) 分类 自然百科2010年

Unfortunately, the two airplanes were extremely similar, and even up till nowadays, they are still flying these airplanes, and there were literally thousands of these airplanes made. Greg Littles hunch that this could be the ill-fated 1948 airliner m

发表于:2019-01-22 / 阅读(179) / 评论(0) 分类 自然百科2010年

There's no doubt that a stream of giant bubbles could theoretically have sunk the U.S.S.'Cyclops'. Whether the bubbles were there or not, that's not for us to say. But I'll leave that up to the oceanographers. But could methane gas also explain the d

发表于:2019-01-22 / 阅读(214) / 评论(0) 分类 自然百科2010年

In our world of scientific discovery, one mystery endures. The Hoodoo Sea, the Limbo of The Lost, some seeing mysterious forces at work, others the powers of sea and storm. We dive into the deep. It appears to be a large military plane. And unleash s

发表于:2019-01-22 / 阅读(203) / 评论(0) 分类 自然百科2010年

In 1945, five Avenger torpedo bombers left from Fort Lauderdaleon a training mission, and they flew off into oblivion. We'regoing to fly east. We're flying too far north. We think we're 225 miles east of base. Their names would go down in history as

发表于:2019-01-22 / 阅读(196) / 评论(0) 分类 自然百科2010年

Gerrallan needs to escape the fast-developing cloud in order to survive. The tunnel was rapidly getting stronger, and it was a little lower at ten thousand feet to the center of the tunnel so we aimed for that opening and started descending down at f

发表于:2019-01-22 / 阅读(198) / 评论(0) 分类 自然百科2010年

Pierce thinks this powerful charge can electrify clouds in the lower atmosphere and create this supposed electronic fog. As this additional energy comes into the storm activity, it ionizes the air wall and this generates, quote, the electronic fog. A

发表于:2019-01-22 / 阅读(267) / 评论(0) 分类 自然百科2010年

Its two passengers are conducting an investigation into what they call electronic fog, a vapor that they think causes disappearances within the Triangle. Pilot Bruce Gernon needs to land the aircraft as soon as possible. The plane touches down safely

发表于:2019-01-22 / 阅读(276) / 评论(0) 分类 自然百科2010年

Of course, we're always hopeful that we can find the Holy Grail of the Bermuda Triangle search which is 'Flight 19'. But, but any plane that we can locate is a jigsaw piece of the puzzle of the mystery of the Bermuda Triangle. Deep in the heart of th

发表于:2019-01-22 / 阅读(263) / 评论(0) 分类 自然百科2010年

Some believe that massive underwater landslides or earthquakes can violently release gas from a substance called methane hydrate trapped beneath the sea bed. As its escaping bubbles rise, they lower the density of the surrounding ocean. The ship drop

发表于:2019-01-22 / 阅读(182) / 评论(0) 分类 自然百科2010年
学英语单词
a sham fight
aeronautical maps and charts
affixtures
alkyllithium initiator
as far as something is concerned
auditory fatigue
Barzano
be counted as
black end
blanking delay
blood agglutinogen
bull parcel
cadwalader
chlorinolysis
college entrace examination board (ceeb)
comparative and predictive information
complemented second pathway
continuous oil circulation
cut a passage
cut and weigh method
cyanonitride
Dalbergia nigra
De Grey R.
debt interest
Devitro ceramics
edge ahead
eichengreen
emodin
endian
epicyclic train
Espinilla
flabbed
fluoroanalyzer
follower spring
Germine-3-monoacetate
ghillied
gipser
go long
hacking away
heavy cutting
high intensity magnetic separator
high speed planter
Hollywood moment
Ibe wind
impact meter
impermeable material
inactive event variable
indorsement of service
industry standard reference black
interconnecting equipment
kaji
Kond
laminated mica
linearly dependent
lumer
macrochoanite
mental-phenic
mesorhaga dispar
mini-cams
motor-in vibrator
multi-station automatic nut cold header
mushroom paste
naked frame
Nea Kallikrateia
neurohormonal regulation
one hit target
otocrane
parergy
periodical group
practical utility
presentation class
pressure symptom
processor scheduler
public good contribution experiments
Puccinellia himalaica
reactor zone
recession stage
rescuegrass
scar contracture of popliteal region
secosteroids
segmentation of ovum
Selemdzhinskiy Rayon
silkened
slab spacer
social dominance
summer dike
supraoptic canal
tanalise
tastings
tautomerizations
Taylor, Lawrence
temperature-indicating instrument
the supply side
thermal noise limit
trailing vortex cavitation
triple bars
ultra-violet absorption spectrometry
Vevi
vociferator
wage-insurance
white-throated tinamous
Woodwardia radicans