单词	curvature
释义	curvaturecur‧va‧ture /ˈkɜːvətʃə $ ˈkɜːrvətʃər/ noun [countable, uncountable] technical Word Origin WORD ORIGINcurvature Origin: 1400-1500 Latin curvatura, from curvare; ➔ CURVE2 Examples EXAMPLES FROM THE CORPUS In this case only, the surface corresponds to a curvature singularity. The different components refer to the different curvatures in different directions in the space-time. Their curvatures can only be obtained rigorously from the solution of Einstein's equation. They contain the usual coordinate singularity on the hypersurface but, for this class, this is not a curvature singularity. They would also give rise to a smaller Schwarzschild mass parameter, and hence greater curvature on the horizon. This, the Riemann curvature tensor, quantifies space-time curvature. Using an element of known direction of curvature one can thus conveniently determine the direction of curvature of another element. When is small compared with unity, the curvature is small and general relativistic effects are negligible. word sets WORD SETS► Maths abacus, nounalgebra, nounangle, nounarc, nounarea, nounarithmetic, nounarithmetic, adjectivearithmetic progression, nounaxis, nounbar chart, nounbar graph, nounbase, nounbinomial, nounbisect, verbBoolean, adjectiveC, nouncalculator, nouncalculus, nouncanonical, adjectivechord, nouncipher, nouncircumference, nouncircumscribe, verbcompass, nouncomplementary, adjectivecomputation, nouncompute, verbconcentric, adjectivecone, nouncongruent, adjectiveconical, adjectiveconstant, nouncontain, verbcoordinate, nouncoordinate, adjectivecos, cosine, nouncube, nouncubic, adjectivecurvature, nouncurve, nouncut, verbdeci-, prefixdeviation, noundiagonal, adjectivediameter, noundifferential calculus, noundigit, noundimension, noundomain, nouneccentric, adjectiveellipse, nounelliptical, adjectiveequal, adjectiveequal, verbequals sign, nounequation, nounequilateral triangle, nounexponential, adjectiveexpress, verbexpression, nounface, nounfigure, nounflow chart, nounformula, nounfraction, nounfractional, adjectivefunction, noungeometric, adjectivegeometry, noungraph, noungraphically, adverbgraph paper, noungrid, nounHCF, helix, nounheptagon, nounhexagon, nounhistogram, nounhypotenuse, nounimperial, adjectiveimproper fraction, nouninfinity, nouninformation theory, nouninnumerate, adjectiveinto, prepositioninverse, adjectiveisosceles triangle, nounline graph, log, nounlogarithm, nounlong division, nounlozenge, nounmath, nounmathematical, adjectivemathematician, nounmathematics, nounmatrix, nounmean, adjectivemedian, nounmedian, adjectivemetric, adjectiveminus, prepositionminus, nounminus, adjectiveminus sign, nounminute, nounmultiplication, nounmultiplication sign, nounmultiplication table, nounmultiply, verbN, nounnumber, nounnumerate, adjectivenumeration, nounoblong, adjectiveobtuse angle, nounoctagon, nounoval, nounparabola, nounparallel, adjectiveparallelogram, nounpentagon, nounpercentage, nounperimeter, nounperpendicular, nounpi, nounpictogram, nounpie chart, nounplane, nounplane geometry, nounplus, prepositionplus, nounplus, adjectiveplus sign, nounpolygon, nounpolyhedron, nounpower, nounprism, nounprobability, nounproof, nounproportion, nounproposition, nounprotractor, nounquadrangle, nounquadrant, nounquadratic equation, nounquadri-, prefixquadrilateral, nounradius, nounratio, nounrectangle, nounrectilinear, adjectiverecur, verbrhombus, nounright angle, nounright-angled triangle, nounroot, nounruler, nounscale, nounscalene triangle, nounscatter diagram, section, nounsegment, nounsemicircle, nounset square, nounsine, nounslide rule, nounsolid, adjectivesolid, nounsolution, nounsolve, verbsphere, nounsquare, adjectivesquare, nounsquare, verbsquare, adverbsquarely, adverbsquare root, nounsubset, nounsubtract, verbsubtraction, nounsum, nounsurface area, nounsymmetrical, adjectivesymmetry, nountangent, nounterm, nountheorem, nounthreefold, adjectivetimes, prepositiontrapezium, nountriangle, nountrigonometry, nountwo-dimensional, adjectivevalue, nounvariable, nounvector, nounVenn diagram, nounvertex, nounvertical, adjectivevolume, nounwork, verbX, nounx-axis, nouny-axis, noun Collocations COLLOCATIONS FROM THE CORPUSADJECTIVE► great · They would also give rise to a smaller Schwarzschild mass parameter, and hence greater curvature on the horizon.· At various periods after the injection of endothelin-1, the stomach was removed and opened along the greater curvature.· Thereafter, the specimens were carefully opened along the greater curvature, laid on and pinned out on a flat surface.· The stomach was removed, opened along the greater curvature, rinsed in ice cold 0.9% saline and weighed.· Rats were decapitated and the stomach were removed, opened along the greater curvature. NOUN► tensor · This, the Riemann curvature tensor, quantifies space-time curvature.· We shall now briefly bring out the relationship between the Gaussian curvature and the Riemann curvature tensor.· This can not be a curvature singularity, since the curvature tensor on it is zero.· For vacuum solutions, in these regions at most one component, either 4 or 0, of the curvature tensor is non-zero.· The curvature tensor can be identified by using an approach that was introduced in Chapter 3. the state of being curved, or the degree to which something is curvedcurvature of the curvature of the Earth’s surface He suffered from curvature of the spine.
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