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(202) / 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(248) / 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(148) / 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(266) / 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(147) / 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(181) / 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(150) / 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(137) / 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(129) / 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(131) / 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(165) / 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(124) / 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(146) / 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(151) / 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(129) / 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(134) / 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(207) / 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(151) / 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(176) / 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(114) / 评论(0) 分类 自然百科2010年
学英语单词
acanthostrongyl
adjustable outrigger collector
Airhitam
al-latif
antiaristocrats
baka
bicentralizer of a module
blast closure performance
block cutting
Brigham Young University
cake-cooky wrapping machine
catalytic reactor
ceramic sponge
cercosporella rhois sawada
churchiest
city limits
code decoding
competitive adsorption
connected to earth
continuous deodorization tower
core-bonding oven
curtain-pole retarder
definition of stability
dichloro-propionanilide
dislocatee
dozy
dress sb down
dunnington
educamate
Einhaus
electro interference
electrostatic lens
elliott-bear
Festuca alatavica
Fiat SpA
flautato
flight device
focus current correction
fore-world
fucky fucky
glass-forming material
global storage
growls
gunyas
hellens
hemiphaedusa tantaensis
high lying resonance
Huauchinango
hypothetical exchange
I A Richards
i'tikaf
intermediate source program
intestinal rupture
judicial circuits
keratoscopes
leuco(cyto) lysis
low dielectric-loss glass
lymphatic trunk
lymphoplasia
macroscopic neutron flux density distribution
make comparisons
mosquitia
mumola
naphthalene carbonal
non teleological
nonceramic
paragomphosis
pelvimetric
permanent pleating
petitioner
Podocarpineae
postamble breakpoint
potentiates
pubocervical
pyknometry
quality control policies
quean
rackes
reading of the Law
recabarrens
river order
schudson
self-splicing
servetuss
signal cartridges
slotted bucket lip
stooled
ta ra
tarpaulin hire
thalictrum simplex l.var. brevipes hara
threephase shunt commutator motor
thrombasthenic purpura
thyroids
trigness
waiting time distribution
wasjabo (washabo)
wearing glasses
Weld, Mt.
wet tan
whole synthesis
xiphium iriss