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central difference formula [计] 中心差分公式
The value of color difference calculated by CMC color difference formula is more coincident with visual assessment. CMC色差公式计算的色差值较符合人的目光评定。
The calculation results show thatCIEDE2000 color difference formula is better than both CMC and CIE 1976 L*a*b*. 计算结果表明,CIEDE2000色差公式优于CMC色差公式和CIE1976L*a*b*色差公式,对色差计算有了一定的改进。
Based on the fourth-order difference formula of the second derivative term, a fourth-order finite difference method is developed for solving two-points boundary value problem. 摘要从中心差分公式出发，利用二阶微分的四阶差分公式，对两点边值问题得到了一种四阶精度的差分格式。
A central difference is that the.NET Compact Framework is a subset of the full.NET Framework, and accordingly, some areas are not supported. 主要的不同之处在于;.;NET Compact Framework是
The pulsating flow field was simulated by the large eddy turbulence model and the momentum equations were discretized with the unbounded central difference scheme. 脉动流场计算采用大涡模拟湍流模型，动量方程的离散格式采用有限中心差分格式。
The spatial flux terms are discretized by using central difference scheme and the time integration is performed by using explicit scheme in the flow solver. 流场求解时采用中心差分的有限体积方法对空间通量项进行离散，采用显式推进方法进行时间方向的积分。
When evaluating color proof,it needs to establish a color difference threshold first,the CIE 1976 L*a*b* color difference formula being widely used in color print quality evaluation. 在评价数字打样效果时首先要确定一个色差的容限,目前的色彩管理技术中对于色差的评价方法普遍使用CIE 1976L*a*b*色差公式。
During the process of numerical approximations, the difference formula of time transient terms, and the central/upwind difference expressions for acquiring boundary value are chosen. 在方程离散过程中,给出了时间瞬态项的差分格式以及求解边值的中心和上风差分格式。
They are distinctly different formulas. 他们的配方是不同的。
Solid sample and liquid sample adopt a different formula calculation while computing. 第五句:计算时固体样品与液体样品采用不同的公式计算;
Sets up three-dimensional movement modal of towed-cable, the vector dynamic equilibrium equation is expanded under local coordinate, and numerically discreted by central difference on time and space through transforming Eular angle. 摘要建立拖缆的三维运动模型，通过欧拉角的变换把拖曳线列阵微元段矢量动力平衡方程在局部坐标系下展开，在时间和空间上作中心差分数值离散。
Objective To study the in vitro antibacterial activities of cefotaxime and different formula of cefotaxime/sulbactam. 目的研究不同配比的头孢噻肟/舒巴坦及头孢噻肟单剂对临床分离菌体外抗菌作用。
The in viscid flux is discretized by AUSM+ scheme. The viscid flux is discretized by second-order central difference scheme. Baldwin-Lomax turbulence model is implemented in Navier-Stokes flow solver. 本文通过对AUSM+格式的应用研究，以Navier-Stokes/Euler方程为主控方程，利用无限插值理论生成结构网格，采用Baldwin-Lomax湍流模型，应用格心有限体积法，无粘通量项采用AUSM+格式离散，粘性通量项采用二阶中心差分格式离散，开发了跨音速定常、非定常流场解算器。
quadrature formula with central differences 中心差分求积公式
Its tools and workflow can be quickly modified and reassembled to manufacture a different version of car or a different formula plastic. 这样一来，它的模具和工作流程才能够迅速的进行调整和重新装配，以便生产出不同型号的汽车，或者不同配方的塑料。
Through the unconfined compression test and triaxial rigidity test without drain, the authors studied the properties and influence of different formula for the clay-cement grout. 通过对不同配比的粘土-水泥浆液结石体的室内无侧限抗压强度试验以及三轴固结不排水试验,揭示了各因素对粘土-水泥浆液结石体性质的影响。
However, a small number of infants require different formulas. 但是,少数婴儿则需要其它种类的配方奶。
Function to calculate the Jacobian matrix for a set of nonlinear algebraic equations. A simple central differencing scheme is used. 用来计算一套非线性代数方程的雅可比矩阵。使用一个简单微分方法。
Objective To study the relationship between the decocting quantity of liquiritigen or isoliquiritigenin and different formula combinations of Sini Powder. 目的研究四逆散不同药味组合与甘草素和异甘草素煎出量之间的关系。