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con·cav·i·ty 英kɒnˈkævɪtiː美kɑnˈkævɪtiAHDkŏn-kăvʹĭ-tē 高COCA⁷⁷⁸⁹⁵BNC⁶⁸⁸⁷⁵iWeb⁴¹⁴⁹⁹
基本英英词源搭配记法近义反义例句Thesaurus例句
n.中央凹陷²⁰;凹洼²⁰;凹状⁶⁰复数concavities名词复数concavities
Noun:
a shape that curves or bends inwardthe property possessed by a concave shape来自concave, 凹状。tread concavity胎面压扁concavity slide凹玻片crown and concavity凸度和凹度quasi concavity拟凹性concavity factor凹度系数,凹率…
concav-ity名词⇒n.中央凹陷²⁰;凹洼²⁰;凹状⁶⁰近义词 cup杯子pan平底锅valley山谷well很好地depression沮丧incurvation内曲incurvature内曲concaveness拱形凹面物…
名词100%
用作名词And there also was aconcavityin his car's front wing .而且，他的前挡板上还凹陷了好大一块撞痕。noun.depression
同义词 hole,impression,indentation
basinnoun container or area where water is held
bay,bowl,depression,dip,ewer,gulf,hole,hollow,lagoon,pan,pool,pot,sag,sink,sinkage,sinkhole,tub,valley,vessel,washbasin,washbowl,watershed
curvenoun arched, rounded line or object
ambit,arc,arch,bend,bight,bow,camber,catenary,chord,circle,circuit,circumference,compass,concavity,contour,crook,curlicue,curvation,curvature,ellipse,festoon,flexure,hairpin,half-moon,helix,horseshoe,hyperbola,incurvation,incurvature,loop,meniscus,ogee,parabola,quirk,rondure,round,sinuosity,sweep,swerve,trajectory,turn,vault,whorl
curvesnoun arched, rounded line or object
ambits,arches,arcs,bends,bights,bows,cambers,catenaries,chords,circles,circuits,circumferences,compasses,concavities,contours,crooks,curlicues,curvations,curvatures,ellipses,festoons,flexures,hairpins,half-moons,helices,horseshoes,hyperbolas,incurvations,incurvatures,loops,meniscuses,ogees,parabolas,quirks,rondures,rounds,sinuosities,sweeps,swerves,trajectories,turns,vaults,whorls
dimplenoun indentation
cleft,concavity,dent,depression,divot,hollow,pit
dipnoun depression;decline
basin,concavity,declivity,descent,downslide,downswing,downtrend,drop,fall,fall-off,hole,hollow,inclination,incline,lowering,pitch,sag,sink,sinkage,sinkhole,slip,slope,slump
hollownoun empty or dented area
basin,bottom,bowl,cave,cavern,cavity,chamber,channel,cleft,concavity,crater,cup,dale,den,depression,dimple,dip,dish,excavation,groove,gulf,hole,indentation,notch,pit,pocket,sag,scoop,sinkage,sinkhole,socket,trough,vacuity,valley,void Experimental investigations show that the semiempirical concavity calculation formulation given here are practical.
提出的计算凹度的半经验公式，经过实践考验证明具有一定的实用价值。 cnki
It is studied in this thesis two methods of proving inequality with the monotonousness and concavity of functions.
函数方法是证明不等式的重要方法。在本文中介绍了利用函数单调性和凹凸性证明不等式的两种方法。 cnki
The beams from these cannons culminated into a central blast directed from the eye- shaped concavity in the Death Star's upper hemisphere.
在位于死星上半球类似眼睛的凹陷处，由这些激光炮所发出的光束汇集成一道中央能量束。 starwarsfans
The vacuum chambers of large-scale electromagnetic isotope separatorCalutrons are of serious inward- concavity under the atmospheric pressure.
大型同位素电磁分离器真空室在大气压力作用下会出现严重的内凹现象。 cnki
We introduce concepts of diagonal quasi- convexity and quasi- concavity in hyperconvex metric spaces, and prove an existence theorem for equilibrium problems.
引进超凸度量空间的对角拟凸和拟凹概念，并证明一类均衡问题解的存在性。 dictall
With the concavity and integrability of sublinear terms near zero, the symmetry results for a class of sublinear elliptic equations are given by making use of the moving- plane method.
本文利用次线性项在零点附近的凹性和可积性，用移动平面法给出了一类次线性椭圆方程正解的对称性。 ilib
A minimax theorem generally involves three assumption conditions: space structures on sets X and Y, the continuity of the functions and the concavity and convexity of functions.
一个极大极小定理一般涉及三个假设条件：集合 X和 Y的空间结构，函数的连续性和函数的凹凸性。 cnki
A nail for fixing the foil in position has a spherical shaped head and in its concavity merges with a saw-tooth barbed pin with a radius.
一个固定薄膜位置的钉子具有一个球面形的头部并用一个冲制的圆段过度到锯齿状设置的杆部上。 bogu6688
Care must be taken during pedicle-screw instrumentation, especially in the apical region of the concavity of thoracic curves.
进行椎弓根钉系统手术时，特别是顶椎部上下椎体置钉时要注意不能损伤向凹侧偏移的脊髓。 fabiao
In this paper, a new algorithm to rapidly identify the orientation of a simple planar polygon and convexity- concavity of its vertices is presented.
文中提出一种快速判别简单多边形方向与顶点凸凹性的新算法。 cnki
It is evident that curvature of doming whether on the crest convexity or on the flanks concavity have no major effect on fracture densities.
很明显，穹窿的曲率在波峰突起或两翼凹陷对断裂密度都没有很大影响。 agoil
Many results in this paper can be considered as generalizations to the concavity and convexity studies of the optimal functions.
文中许多结果可以被认为是对最优值函数凹凸性研究成果的更一般拓广。 cnki
Most mandibular incisors with long concavity had single root canal.
多数存在长形下凹者为单根管。 cnki
Objective:To investigate the effects of variations in vertebral endplate concavity on the mechanical behaviors of the lumbar motion segment.
目的：研究终板凹陷程度变化对腰椎运动节段生物力学影响。 cnki
Once the concavity was filled further growth could not take place.
一旦凹陷填满，就不可能继续生长。 bab
The formation of arch effects will bring the sand filling over the region of deep concaVity hindered and the degree of compaction of molding sand at the deep concavity reduced.
它的形成会阻碍型砂向深凹区的填充，使得深凹处砂型紧实度降低。 cnki
Using the technique of concavity analysis, the sufficient condition of nonexistence of global solutions to the equations with dynamic boundary conditions and positive initial energy is obtained.
利用凸性分析方法，在方程具有边界条件和正初始能量情况下得到整体解不存在的充分条件。 dictall |