基本解释：定二次型
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The theorem used to judge indefinite quadratic form is given,and it is point that n-ary in- definite quadratic form can be divided into kinds by equivalent relation.给出了不定二次型的判定定理,并指出n元不定二次型按等价关系分为n(n-1)/2。
A non-equality and its proof based on positive definite quadratic form;基于正定二次型的一个不等式及其证明
The paper is mainly about two opposite questions on quadratic form:one is the opposite question on its standard form,the other is the opposite question on positive definite quadratic form and has been given the solution to each other.本文着重讨论了关于二次型的两个反问题 ,一个是二次型的标准形的反问题 ,另一个是正定二次型的反问题 ,并分别给出求解方法。
The conditions of equivalence of positive definite quadratic form are given ac-cording to its definition and some properties of positive definite matrix are given too in thepaper.本文根据正定二次型的定义给出了它的几个等价条件;并且通过对正定矩阵的考察,给出了正定矩阵的若干性质。
The conditions of equivalence of negative definite quadratic form and negative semidefinitequadratic form are given according to their definitions and some properties of negative definitematrices are given too in the paper.本文根据负定二次型与半负定二次型的定义给出了它们的若干等价条件,并讨论了负定矩阵的若干性
The effects of second heat-setting on the performance of Nylon precision extrusion profiles;二次热定型工艺对尼龙精密挤出型材性能的影响
To produce bulk yarns with little or no stretch, the yarns are heated a second time after being untwisted.要生产较小弹性或没有弹性的蓬松纱线,纱线解捻后要进行第二次热定型。
The second order and second sales newsboy model带有二次定购和二次销售的报童模型
The uncertainty assess of secondary temperature instrument with thermal match resistance配热电阻测温二次仪表不确定度评定
Performance analysis of the two stage heat transformer二次提升型吸收式变热器热力性能分析
A Study of Heat Economy Calculating Model for Thermal System in Supercritical Pressure Power Unit with Second Reheat Cycles二次再热超临界机组热力系统热经济性计算模型的研究
The CAE Analysis of H-type Structure and Second Development in Heat Exchanger with Longitudinal Flow of the Shellside Fluid;纵流壳程换热器H型结构CAE分析及其二次开发
Secondary Instability Flutter of Heated Panels in Supersonic Airflow超声速气流中受热壁板的二次失稳型颤振
Study on Semi Steel Precision Roll after Crude Roll Pass and Second Heating Treatment粗开孔型二次热处理精轧半钢轧辊的研制
Theorems of Structrue Solutions to Dyadic and Square Exponents Nondeterministic Equations;一类指数型二元二次不定方程解的研究
1. A tight semidefinite relaxation of the quadratically constrained quadratic -11 optimization problem is obtained, which improves several previous SDP relaxations in the literature.1．提出了{-1，1}二次约束二次整数规划的强化半定规划松弛模型。
The Uncertainty Analysis of Digital Theraml Couple Temperature Instrument Calibrator校验仪检定配热电偶数字温度二次仪表不确定度分析
The Applications of New β-diketone Auxiliary Heat Stabilizers DBM-S and SBM-S新型β-二酮辅助热稳定剂DBM-S和SBM-S的应用
Ulam Stability of Quadratic Functional Equation in the Space of Distributions二次函数方程在广义函数空间上的Ulam型稳定性
SYNTHESIS AND THERMAL STABILITY OF A NOVEL PHOSPHORUS FLAME RETARDANT p-CARBOXPHENYLPHENYLPHOSPHNIC ACID新型反应型阻燃剂对羧苯基苯基次膦酸的合成与热稳定性分析
Research of Heat Treament Process Dies Steel;热作模具钢二次回火热处理工艺研究
Secondly, two quantitative calculation modes for dam leakage are proposed with the heat resource method.其次，利用热源法建立了堤坝渗漏的两个定量计算模型。
transmission type secondary emitter透射型二次电子发射极
linear quadratic regulator problem线性二次型调节器问题
