音标:['rʌfnis] ;
n. 粗糙, 凹凸不平, 粗糙度, 篷乱毛发
[化] 粗糙度; 不平度
n. a texture of a surface or edge that is not smooth but is irregular and uneven
n. harsh or severe speech or behavior
词型变化:名词复数形式 : roughnesses
词性分布:
名词100%

roughness的用法和样例:

例句

用作名词(n.)
  1. Surface roughness has a profound effect on wind speed.地表粗糙度对风速有相当深刻的影响。
  2. Wood surface roughness was studied by using fractal dimension method.应用分形维对木材表面粗糙度特征进行研究。

词汇搭配

  • rough粗糙的
  • relative roughness相对糙度,相对粗糙度...
  • bed roughness层粗糙度,河床粗糙度...
  • roughness coefficient粗糙系数
  • roughness parameter起伏参数
  • roughness factor粗糙因素, 糙率...
  • absolute roughness绝对粗糙度
  • undue roughness粗野动作
  • roughness meter粗糙度计
  • roughness index粗糙指数
  • aerodynamic roughness空气动力学粗糙度...
  • wall roughness壁面粗糙度
  • sand roughness砂粒粗糙性
  • surface roughness表面粗度,表面光洁度...
  • equivalent roughness等效粗度
  • channel roughness河床糙度
  • roughness curve粗度曲线
  • roughness height粗糙度高度,粗糙高度...
【近义词】
【反义词】

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GRE改革之后,新GRE词汇量减少20%,但在减少的同时,新GRE对词汇的考察也加大了一定的难度。新GRE词汇是整个考试的基础部分,具有重要地位。以下是2012新GRE词汇:asperity,希望能帮助各位考

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Akaska
alpinia purpuratas
asterionella gracillima heib.
basalt wool
block handling routine
brusen
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catalytic polyforming
choeronycteris mexicanas
clamp forming machine
comprehension strategy
corrivates
cuir
cultivated horizon
cy-pres
cynodontium pohycarpum(ehrh) schimp
cyproterones
defibrinizing
duner
ecoanarchism
El Ejido
endaemonism
enforcest
escritors
exist on
exostira schroederi
ferrallitization
fourcylinder
general dimensional analysis
generation 2 robot
gentiana oliveri dc.
genus physas
holorhinal
housing loan corporation
huddles together
human settlement
instability in tension
instrument approach system steering computer
international payment order
investable, investible
jobbernowls
Karnic
lamplugh
Larry Adler
leabrook
Leiophyllum
linear-circular correlation
lionburgers
lock packing
long-neck flask
lose ... head
mauve
meningorachidian
micrology
milanese chant
mytho-historical
naval disarmament
Nerita peloronta
northern oak fern
open-court
oral contraceptions
ormo
Osario
P-nitrodracylic acid
path oriented testing
petroleum jellies
plumfield
polise
pour depressant
public sanitation
quarved
radiothermoluminescence
random drift rate
raphanus raphanistrums
reconditioning system
relatively invariant measure
rupestrian
sanguinely
searchlight lens
sengo
serial correlation coefficient
skewerlike
sniffs out
social network
spivery
squarewave polarograph
stunsail
subagency
sun-bathe
surface equilibrium
test controler
thermal shock break
trance
transmission policy control object
tray weir
true owner
two-pass
undesignedly
valve spindle guide
Van Slyke titration methods
videocasting
xanthine stone