expansion 音标拼音: [ɪksp'ænʃən] [ɪksp'æntʃən]
n . 张开,伸展;扩张,膨胀;扩张的,扩张部分
张开,伸展;扩张,膨胀;扩张的,扩张部分
expansion 扩充; 延伸
expansion 膨胀 扩展 扩充
expansion n 1 :
the act of increasing (
something )
in size or volume or quantity or scope [
synonym : {
expansion }, {
enlargement }] [
ant :
{
contraction }]
2 :
a function expressed as a sum or product of terms ; "
the expansion of (
a b )^
2 is a ^
2 2ab b ^
2 "
3 :
a discussion that provides additional information [
synonym :
{
expansion }, {
enlargement }, {
elaboration }]
4 :
adding information or detail [
synonym : {
expansion }, {
expanding upon }]
Expansion \
Ex *
pan "
sion \,
n . [
L .
expansio :
cf .
F .
expansion .]
1 .
The act of expanding or spreading out ;
the condition of being expanded ;
dilation ;
enlargement .
[
1913 Webster ]
2 .
That which is expanded ;
expanse ;
extend surface ;
as ,
the expansion of a sheet or of a lake ;
the expansion was formed of metal .
[
1913 Webster ]
The starred expansion of the skies . --
Beattie .
[
1913 Webster ]
3 .
Space through which anything is expanded ;
also ,
pure space .
[
1913 Webster ]
Lost in expansion ,
void and infinite . --
Blackmore .
[
1913 Webster ]
4 . (
Economics &
Commmerce )
an increase in the production of goods and services over time ,
and in the volume of business transactions ,
generally associated with an increase in employment and an increase in the money supply .
Opposite of {
contraction }.
Syn :
economic expansion . [
1913 Webster PJC ]
5 . (
Math .)
The developed result of an indicated operation ;
as ,
the expansion of (
a b )^{
2 }
is a ^{
2 }
2ab b ^{
2 }.
[
1913 Webster ]
6 . (
Steam Engine )
The operation of steam in a cylinder after its communication with the boiler has been cut off ,
by which it continues to exert pressure upon the moving piston .
[
1913 Webster ]
7 . (
Nav .
Arch .)
The enlargement of the ship mathematically from a model or drawing to the full or building size ,
in the process of construction . --
Ham .
Nav .
Encyc .
[
1913 Webster ]
Note :
Expansion is also used adjectively ,
as in expansion joint ,
expansion gear ,
etc .
[
1913 Webster ]
8 .
an enlarged or extended version of something ,
such as a writing or discourse ;
as ,
the journal article is an expansion of the lecture she gave .
[
PJC ]
9 .
an {
expansion joint }.
See below . [
Colloq .
or jargon ]
[
PJC ]
{
Expansion curve },
a curve the co ["
o ]
rdinates of which show the relation between the pressure and volume of expanding gas or vapor ;
esp . (
Steam engine ),
that part of an indicator diagram which shows the declining pressure of the steam as it expands in the cylinder .
{
Expansion gear } (
Steam Engine ).
a cut -
off gear .
See Illust .
of {
Link motion }.
{
Automatic expansion gear }
or {
Automatic cut -
off },
one that is regulated by the governor ,
and varies the supply of steam to the engine with the demand for power .
{
Fixed expansion gear },
or {
Fixed cut -
off },
one that always operates at the same fixed point of the stroke .
{
Expansion joint },
or {
Expansion coupling } (
Mech . &
Engin .),
a yielding joint or coupling for so uniting parts of a machine or structure that expansion ,
as by heat ,
is prevented from causing injurious strains ;
as :
(
a )
A slide or set of rollers ,
at the end of bridge truss ,
to support it but allow end play .
(
b )
A telescopic joint in a steam pipe ,
to permit one part of the pipe to slide within the other .
(
c )
A clamp for holding a locomotive frame to the boiler while allowing lengthwise motion .
(
d )
a strip of compressible material placed at intervals between blocks of poured concrete ,
as in roads or sidewalks .
{
Expansion valve } (
Steam Engine ),
a cut -
off valve ,
to shut off steam from the cylinder before the end of each stroke .
[
1913 Webster ]
222 Moby Thesaurus words for "
expansion ":
access ,
accession ,
accomplishment ,
accretion ,
accrual ,
accruement ,
accumulation ,
acreage ,
addition ,
advance ,
advancement ,
aggrandizement ,
amplification ,
amplitude ,
appreciation ,
area ,
ascent ,
attenuation ,
augmentation ,
ballooning ,
ballyhoo ,
big talk ,
bigness ,
bloating ,
blossoming ,
blowing up ,
body ,
boom ,
boost ,
bottoming out ,
breadth ,
broadcast ,
broadcasting ,
broadening ,
buildup ,
bulk ,
burgeoning ,
burlesque ,
business cycle ,
business fluctuations ,
bust ,
caliber ,
caricature ,
circumfusion ,
continuum ,
cooling off ,
coverage ,
crescendo ,
crisis ,
depression ,
depth ,
development ,
developmental change ,
diameter ,
diffraction ,
diffusion ,
dilatation ,
dilation ,
dilution ,
dimension ,
dimensions ,
dispensation ,
dispersal ,
dispersion ,
dissemination ,
dissipation ,
distance ,
distension ,
distention ,
distribution ,
divergence ,
downturn ,
economic cycle ,
economic expansion ,
economic growth ,
edema ,
elaboration ,
elevation ,
emptiness ,
empty space ,
enhancement ,
enlargement ,
evaporation ,
evolution ,
evolutionary change ,
evolvement ,
evolving ,
exaggerating ,
exaggeration ,
excess ,
exorbitance ,
expanding economy ,
expanse ,
expatiation ,
explication ,
extension ,
extent ,
extravagance ,
extreme ,
field ,
flood ,
flourishing ,
flowering ,
fragmentation ,
furtherance ,
gain ,
galactic space ,
gauge ,
girth ,
gradual change ,
grandiloquence ,
greatening ,
greatness ,
growth ,
gush ,
height ,
heightening ,
high growth rate ,
hike ,
huckstering ,
hyperbole ,
hyperbolism ,
increase ,
increment ,
infinite space ,
inflation ,
inordinacy ,
interstellar space ,
jump ,
largeness ,
leap ,
length ,
low ,
magnification ,
magnitude ,
market expansion ,
mass ,
maturation ,
measure ,
measurement ,
mounting ,
multiplication ,
natural development ,
natural growth ,
nonviolent change ,
nothingness ,
outer space ,
overemphasis ,
overestimation ,
overkill ,
overstatement ,
peak ,
peaking ,
peppering ,
prodigality ,
productiveness ,
profuseness ,
progress ,
progression ,
proliferation ,
propagation ,
proportion ,
proportions ,
prosperity ,
publication ,
puffery ,
puffing up ,
radiation ,
radius ,
raise ,
range ,
reach ,
recession ,
recovery ,
ripening ,
rise ,
scale ,
scattering ,
scatterment ,
scope ,
sensationalism ,
shotgun pattern ,
size ,
slowdown ,
slump ,
snowballing ,
sowing ,
space ,
spatial extension ,
spattering ,
sphere ,
splay ,
spread ,
spreading ,
sprinkling ,
stretch ,
stretching ,
strewing ,
superficial extension ,
superlative ,
surface ,
surge ,
swelling ,
tall talk ,
touting ,
tract ,
travesty ,
tumescence ,
unfolding ,
up ,
upping ,
upsurge ,
upswing ,
uptrend ,
upturn ,
void ,
volatilization ,
volume ,
waxing ,
widening ,
width ,
working -
out
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EXPANSION中文 (简体)翻译:剑桥词典 - Cambridge Dictionary Lack of space is the main restraint on the firm's plans for expansion Any further industrial expansion in the area will face fierce opposition from environmentalists Given the necessary investment, this region is perfect for economic expansion
Expansión - Diario Económico e información de mercados El grupo textil registra unas ventas de 8 750 millones de euros en el primer trimestre, un 5,8% más, e inicia el segundo trimestre del año con un incremento de su facturación del 11,5% a divisa
expansion - 搜索 词典 2 Economic development is of course a euphemism for an expansion of political influence and a state- endorsed land grab 当然, 发展 经济 即 是 扩张 政治 影响力 的 托辞, 还 是 占有 土地 的 全民 认可 的 形式。
expansion是什么意思_expansion的翻译_音标_读音_用法_例句_爱词霸在线词典 Over the past two years, the figures on imports and exports seem not to signal a double-dip recession – a renewed decline in the broad level of economic activity in the United States – but an economic expansion
expansion_百度百科 The rapid expansion of urban areas will have a huge impact on biodiversity hotspots and on carbon emissions in those urban areas 城市地区的快速扩张将对生物多样性热点地区和那些城市地区的碳排放产生巨大影响。
EXPANSION 释义 | 柯林斯英语词典 - Collins Online Dictionary Expansion is the part of an engine cycle in which the fluid increases in volume and makes a part such as a piston or flywheel move The expansion of the gas pushes the piston inside the cylinder The expansion of the gas causes the piston to move
Expansion - IMDb Expansion: Directed by Jean-Clément Gunter With Grégory Bakian, Mehdi Boccard, Dadyday, Alain Darne What are these huge forms suddenly appearing in the sky? Why did the children-monks of the community begin to be moved? Rumors of kidnappings spread, then a strange disease
Expansión | Noticias de Negocios, Economía y Política en México Expansión busca a 'Las 500 empresas más importantes de México', el ranking más sobresaliente del mundo empresarial mexicano La revisión del Tratado entre México, Estados Unidos y Canadá será en
expansion的解释和发音 「欧路词典」英汉-汉英词典 为您提供权威的英语单词解释_真人发音_用法_例句 『欧路词典』为您提供expansion的用法讲解,告诉您准确全面的expansion的中文意思,expansion的读音,expansion的同义词,expansion的反义词,expansion的例句。
扩张 -- 来自 - 数学天地 扩张是一种 仿射变换 (有时称为放大或膨胀),其中比例增大。 它与 几何收缩 相反,有时也称为放大。 中心膨胀 对应于扩张加上 平移。 多面体扩张,也称为 截角,是一种不同类型的扩张,其中多面体的边或面的子集沿径向位移,同时保持其方向和尺寸不变,然后用新面填充间隙。 韦斯坦因,埃里克·W “扩张。 ” 来自 --一个 资源。 https: mathworld net cn Expansion html