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Numerical or general algebraic expression vector, matrix calculation.

进行数值的或一般代数式的向量、矩阵的各种计算。

We posed the concept of sufficient intersection about s(1≤s≤n) algebraic hypersurfaces in n-dimensional space and proved the dimension of polynomial space Pm(which denotes the space of all multivariate polynomials of total degree≤m) on the algebraic manifold S=s(f1,…, fs) where f1(X=0,…, f s=0denote s algebraic hypersurfaces of sufficient intersection, then gave a convenient expression for dimension calculation by using the backw ard difference operator.

给出了n维空间中s(1≤s≤n)个代数超曲面充分相交的概念，证明了n元m次多项式空间Pm在充分相交的代数流形S=s(f1，…， fs)（f1=0，…， fs=0表示s个代数超曲面）上的维数，并利用倒差分算子给出一个方便计算的表达式；构造了沿代数流形上插值适定结点组的叠加插值法；证明了在充分相交的代数流形上任意次插值适定结点组的存在性；给出代数流形上插值适定结点组的性质和判定条件。

In order to coordinate internal force calculation in ALGOR FEAS, the preceding processing program and post processing program are worked out.

为了配合ALGORFEAS的内力计算，本文还用Visual Basic编制了前处理程序和后处理程序。

In this paper, the practical model for calculation torsion is set up in ALGOR FEAS, which is 3-D girder element model with rigid arms. The model is better used to calculate the effect of deviation load.

本文在ALGOR FEAS中建立了一种计及扭转的实用模型—带刚臂的三维梁单元模型，用此模型能较好地计及荷载偏载效应。

While calculating tensor Green's functions, the algorithm of secondary division is adopted to solve the singular problem. The Gaussian quadrature and continued fraction is adopted to calculate the integral with Bessel function. This method not only can ensure the right calculation of tensor Green's functions but also can get high precision.

求取张量格林函数积分时，采用二次剖分算法解决计算中奇异值问题，对于含有贝塞尔函数的积分项，利用结合连分式展开的高斯求积代替常规的快速汉克尔变换方法，确保了张量格林函数的正确计算并提高了计算精度。

So the latter can be applied to adaptive model algorithmic control to reduce calculation and response time.

因此这种算法可以用于模型算法控制，减少控制算法的运算量，提高控制的实时性。

This new method demand less calculation amount than the existing methods that is used to reduce aliasing.

该算法精度高，而且克服了现有抗混叠算法计算复杂、运算量大的缺点。

To improve the precision of tree biomass parameter calculation, this paper explicates the principle, method and process to estimate the parameters of tree biomass by the nonlinear least square according to the formula of allometry method. It gives the formula to calculate the variance and covariance estimated parameters, and reveals the essence of logarithmic linearization regression of power function.

为了提高林木生物量参数的计算精度，根据林木相对生长公式，阐述用非线性最小二乘法求解生物量参数估值的原理、方法和过程；给出计算参数估值之方差与协方差的公式；揭示幂函数对数线性化回归的本质。

In the use of optical water level, due to eye fatigue, on-site allowable error index calculation and other reasons, accuracy and speed is difficult to meet our requirements, but generally require 6 people / groups: one person observation, 1 record, 2 Fu-foot, 2 lamps.

在使用光学水准仪时，由于眼睛疲劳，现场限差指标计算等原因，精度和速度很难满足我们的要求，而且一般需要6人/组：其中1人观测，1人记录，2人扶尺，2人照灯。

Examination found a number of major quality problems: First, part of the observed deformation and deformation measurements are not laying a solid reference point, deformation monitoring points do not comply with regulatory requirements; deformation observation, the calculation is not strictly enforce the state standards, such as the base network is not on a regular basis retest , no point will work in conjunction with the reference point for measurement, the standard of measurement stations and other allowable error overrun.

检查中发现了一些主要质量问题：一是部分变形观测与形变测量项目基准点埋设不稳固，变形监测点设置不符合规范要求；变形观测、计算未严格执行国家标准，如基准网未定期复测，未将工作基点与基准点进行联测，水准测量测站限差超限等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。