管壁曲率

wall curvature的用法和样例:

例句

  1. The steamline curve ratio in the bucket of a spillway gradually changes in the flow direction, but the wall curve ratio changes in the point of contact of the bucket suddenly.溢流反弧段流线的曲率呈沿程变化,而反弧上下切点位置处边壁曲率却发生突变。

These aren't miniatures, they are life-size. So far, the Chinese have only dug up 10% of the site. And already thousands of warriors and some 10,000 weapons have been discovered. Look closely at the f

发表于:2018-12-07 / 阅读(95) / 评论(0) 分类 万里长城

Throughout their long history, the Chinese have been farmers. If you are committed to your land, you stay put and accumulate possessions--land, livestock and homes that you fill with furniture and goo

发表于:2018-12-07 / 阅读(103) / 评论(0) 分类 万里长城

It's a thousand times longer than any monument ever built. Started before the Birth of Christ, it was still being built when Columbus sailed to America and millions died in its making. What unspeakabl

发表于:2018-12-07 / 阅读(67) / 评论(0) 分类 万里长城

Often, the only clue he has, is from some ancient text. And it is up to him to puzzle out the arcane references and make them fit the modern landscape. Armed only with a walking stick to fend off snak

发表于:2018-12-07 / 阅读(71) / 评论(0) 分类 万里长城

In the heart of a harsh winter, Meng Jiangnu(孟姜女) decided to visit her husband who had been sent to work on the construction of the wall. Bringing warm clothes for her beloved husband, she went

发表于:2018-12-07 / 阅读(88) / 评论(0) 分类 万里长城

It is a staggering 2,700 miles longer than the first Great Wall of the Emperor Qin. There is no wood, water or stone in the desert. But the Han managed to build a wall that has resisted 2,000 years of

发表于:2018-12-07 / 阅读(74) / 评论(0) 分类 万里长城

So when they left the sheltering walls of Dunhuang(敦煌), heading for the desert that local people referred to as

发表于:2018-12-07 / 阅读(81) / 评论(0) 分类 万里长城

And many never returned home, ending up in graveyards like this one. Large tombs for generals, small ones for the soldiers, and all of them died defending the Great Wall. But the soldiers' misery did

发表于:2018-12-07 / 阅读(82) / 评论(0) 分类 万里长城

When the British arrived at the emperor's summer residence, they were lavishly entertained and spent days touring its beautiful parks and temples. Macartney(马戛尔尼), a good Englishman and loyal

发表于:2019-01-02 / 阅读(88) / 评论(0) 分类 万里长城

The new Manchu dynasty tried something different with their neighbors, diplomacy. Here in their lovely Summer Palace, they greeted delegations from all over the Eastern world. Attendance was compulsor

发表于:2019-01-02 / 阅读(85) / 评论(0) 分类 万里长城

The tombs all followed the same basic design, a temple in front and a walled enclosure with the underground tomb behind. Because Wanli(万历) ruled for so long, he constructed a huge tomb. And in 195

发表于:2019-01-02 / 阅读(65) / 评论(0) 分类 万里长城

Here on a steep slope, defensive walls rise in steps up to the watchtower. So if the enemy did make it to the top of the wall, the crucial watchtowers could be fiercely defended. The watchtowers thems

发表于:2019-01-02 / 阅读(76) / 评论(0) 分类 万里长城

With the Mongols expelled, the new rulers, the Ming emperors, were determined that an invasion would never happen again. And so in 1368, when Europe was being decimated by the Black Plague(黑死病, 鼠

发表于:2019-01-02 / 阅读(95) / 评论(0) 分类 万里长城

In summer, dried-up river valleys offered easy invasion routes for horsemen bent on sacking the rich Chinese towns of the plains. And this is why these passes were heavily fortified, even though they

发表于:2019-01-02 / 阅读(94) / 评论(0) 分类 万里长城

迈克尔.杰克逊:Off the wall When the world is on your shoulder 当你需要肩负起世界的时候 Gott straighten up your act and boogie down 你就应当挺直身板随声起舞 If you can't hang whth the feeling 如果你还是找不到感觉

发表于:2019-01-03 / 阅读(136) / 评论(0) 分类 迈克尔杰克逊经典歌曲

在这次节目里我们要给大家介绍两个都是以wall这个字为主的习惯用语。Wall这个字是什么意思呢?Wall就是一堵墙的墙。有不少习惯用语都跟wall这个字有关

发表于:2019-01-11 / 阅读(157) / 评论(0) 分类 美国习惯用语

我们上次讲了几个由up这个词开头的习惯用语。今天再学几个。 Up这个词可以解释为往上,例如在这个习惯用语里: up the wall。 Wall当然是墙壁,up the wall字面意思是上墙。上墙可不是件轻而易

发表于:2019-01-14 / 阅读(107) / 评论(0) 分类 美国习惯用语

还记得孙燕姿那首红遍大江南北的《绿光》吗?翻越过前面山顶、层层白云,绿光在哪里?不知道有多少人跟小编一样,以为歌里的绿光只是对幸福的比喻。而其实在现实中,绿光是真实存在

发表于:2019-01-28 / 阅读(76) / 评论(0) 分类 实用英语

The analogy that is usually given for explaining the curvature of space is to try to imagine someone from a universe of flat surfaces, who had never seen a sphere, being brought to Earth. No matter how far he roamed across the planet's surface, he wo

发表于:2019-01-29 / 阅读(64) / 评论(0) 分类 万物简史

Plan B - Writing's On The Wall Plan B是一向有坏男孩之称的英国创作歌手兼演员Ben Drew的艺名。去年四月份他令人惊艳的单曲She Said成功打进英国单曲榜前十。这首Writing's On The Wall与She Said出自同张专辑

发表于:2019-02-07 / 阅读(91) / 评论(0) 分类 流行英文歌曲
学英语单词
abde
affiliated manager
albendazole
alerting post
aliasing signal
arrhinencephalia
avision
beni boufrah
Bidwell's rotating disc
biomimetic fiber
BlueRay disk
Boidae
bright-field
cephalotracter
chain lift rod
cholesterolosis
circuit audit
clickthrus
coaxial hypothallus
cochineal extract
correct and copy
cream formation
Day, Benjamin Henry
dielectric relaxation
duck virus hepatitis
ethylthioethane
family of surfaces of equal potential
filiforme
fir forest
frame height
free as in speech
GCSX
geometric design of highways
giddies
Globigerina facies
god-bairn
greenburgh
half-section network
heat pump hybrid heating system
hoxb
hydrodynamic theory
hygromorphic xerophyte
internal finance and office services
intra-european payments agreements
isochoric flow
joint breaker
junk mail
keep aligned
kelyphitic rim
Langston Hughes
lenients
LHWCA
LtoR
microwave power amplifier
misperceive
multilayer stochastic language
munguba
neuropsychopathic
neuroton
neutron flux density standard
Nickolls
nodular structure
off drive
omnidirectional radio range
order Proteales
Padun
panic over sth
pay station
phosphonia
pin's
play-wrights
polycentric cities
pontoon and trestle
principal sentence
Prionodontaceae
pro rata tax system
proper psalms
provisos
qasr hamam (ihmam)
reduce stocks
sabert
Sapti
seroprevalene
solid energy band theory
son of bacchus
splanchnic cells
the Federalist
the ministry of health
thurlands
tile cradle
top edges
tunnel tray dryer
two photon absorption
Udaipur Garhi
ukraina
unclubbable
unhypnotizable
vacuum extruder
water flushing
whiffiest
write once, read many
zonal rotor