查询词典 estimate

In the case of determinacy time-base distortion, Author analysis two time-base distortion estimate arithmetic in common use.

对于造成采样时基误差中的确定性时基偏差问题，从理论上分析了在工程应用中两种常用的时基偏差估计算法估计性能优缺点，并利用仿真实验进行验证。

Objectives: Substance use and physical abuse during pregnancy are known health problems that detrimentally affect maternal health and birth outcomes; however, many health professionals pay little attention to these problems. The aims of this study were to estimate the prevalence of substance use and physical abuse during pregnancy in different ethnic groups and to explore the effects on birth weight.

目标：物质使用及受虐是公认危害母体及胎儿之危险因子，但甚少受到医疗工作人员的关注，为协助妇女保健工作之推展，本研究系以问卷资料访谈评估不同种族妇女於怀孕期间物质使用及受虐经验对婴儿出生体重之影响。

How could we estimate the influence of Dewey's educational thoughts on Chinese education?

如何评价杜威的教育思想对中国教育的影响？

In this paper we present an estimate for bounds of module of eigenvalues of the iteration matrix M^(-1)N for a kind of Baily-Crabtree diagonally dominant matrix M.

该文对一类Baily-Crabtree型对角占优矩阵M，给出了迭代矩阵M^(-1)N的特征值模的上下界估计。

Then, under a certain condition, the estimate for bounds of the module of eigenvalues of M^(-1)N is presented when M is a α- strictly diagonally dominant matrix.

并以此为基础，在一定条件下给出了当M是α-严格对角占优矩阵时的M^(-1)N的特征值模的上下界估计。

Then, under a certain condition, the estimate for bounds of the module of eigenvalues of is presented when is a NM1MNM1Mαstrictly diagonally dominant matrix.

并以此为基础，在一定条件下给出了当是MNM1Mα严格对角占优矩阵时的的特征值模的上下界估计。

After inspecting the distribution configuration of skin pixels in various color spaces and the spectrum reflection features of human skin, the authors carry out the highlighted are a analysis on a critical two-dimensional plane instead of in a three-dimensional color space, which brings forth certain advantages: computation complexity is deduced, rates between eigenvalues are produced in stepwise PCA to detect automatically the existence of highlighted skin and estimate robustly the skin dichromatic reflection vectors.

通过考察肤色在各种不同彩色空间中的分布形态，以及对皮肤光谱反射特性的分析，采用关键的2维平面代替3维彩色空间进行高光分析。

But for Dido's new work, the English artist says she has put sales estimate for her previous album out of her mind.

但对新作品，这位英国艺人说她已将她前一张专辑的销量估计置于脑后了。

The difference schema of the initial boundary value problem was converted to the step-by-step form,which was similar to the difference schema of the initial value problem.It is concluded that the difference schema satisfying the Von Neumann condition is a stable schema,and that,under the consistency condition,such stable schema is convergent.Moreover,with error estimate expression for the difference approximation to the classical solution,the linearity condition is unnecessary.

引入反投影算子将发展方程初边值问题的差分格式转化为与初值问题差分格式类似的逐步推进的形式，从而得出：满足Von Neumann条件的差分格式是稳定的格式；在相容条件下，差分格式若稳定(或满足VonNeumann条件)则格式收敛，且对古典解的差分逼近有误差估计式，不再需要线性的条件。

The modeling of GM (1,1) model is to gain difference equation by dispersing albinism differential equation, then to estimate model parameters by the difference equation.

GM(1，1)模型的建模过程是由白化微分方程离散化得到差分方程，再由该差分方程估计模型参数。

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％。