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These results reveal that, as an intrinsic property of the wave function of atoms, the angle of the probability distribution of the angular two-electron density is approximately equal to the bond angle of the molecular which usually can be explained by the hybridization theory.
结果显示，作为原子波函数的内禀性质，双电子密度最可几角分布的角度与通常由分子杂化轨道理论解释的相关原子的分子的结合键角近似相等。
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At the same time, the practical implementation of evolutionary algorithm is given in order that evolutionary algorithm is introduced into vector quantizer. In the fourth section the asymptotic theory of vector quantization is studied. Then the partial distortion theorem that when codebook size is large enough, each region of the partition makes an equal contribution to the distortion for an optimal quantizer, which is the key part of vector quantizer is obtained. Finally, the competitive learning algorithm based on the partial distortion theorem is proposed, which introduces the subdistortion of each region into the distortion measure to assure that the subdistortion of each region approximately equals to each other.
第四章详细研究矢量量化的渐近理论，然后得出了矢量量化器设计的核心部分——部分失真定理，当码本尺寸足够大且输出矢量的渐近概率密度与输入矢量的概率密度的幂成比例时，最优量化器划分的各个区域对该量化器的平均误差产生相同的影响，最后提出基于部分失真定理的竞争学习算法，它通过在误差测度中，引入与各区域相关的子误差以保证各区域的子误差近似相等，该算法实现较为简单，在一定程度上确保全局最优。
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The 90 percent of input power is broadened to the fundamental frequency, first and second side frequency.
使90%的光功率分散于主峰以及一、二次边频，且一、二次边频的功率近似相等。
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We will demonstrate the specification of reference prior distribution on the random covariance matrix. We will consider the approximate uniform shrinkage prior and approximate Jeffreys' prior. Both are formulated based on the approximated likelihood function. Under generalized linear mixed models, we show that the posterior mode under Jeffrey's prior is asymptotically closer to the REML estimate than the mode under uniform shrinkage prior does.
在广义线性混合模式下，我们证明了在样本数很大时，随机效应之变异数成份的后验众数和REML估计值会近似相等，同时也建立了后验众数和REML估计值的近似关系式，并提出了比较二种后验众数与REML估计值之间远近的准则。
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On the approximation that the ink is non-scattering and its refractive index is nearly equal to papers, we propose a spectral reflectance color prediction model for recto-verso halftone images by making use of the theory of the light propagation in paper with long- and short-distance model and net structure of multiple reflection in the recto-verso halftone images.
在假定油墨是非散射介质以及油墨的折射率与纸张的折射率近似相等的条件下，利用光在油墨与纸张中散射迁移路径长短不同的分程理论和多重内反射的网状结构分析方法，研究了光照射在双面印刷品上的光谱反射规律，建立了双面印刷品的光谱反射色彩预测模型。
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On the other hand, through the discussion on coronal density of flares, we found that the column mass density at the top of chromospheric flare model can not be represented the total mass above the chromosphere and the coronal density can be estimated from presure balance based on semiempirical model. Through estimations, the results show that the total mass above the chromosphere is about the same as the mass between the top of chromosphere and electron source, which so give an evidence that the source of electrons is situated at the top of flare loop.
另一方面，通过对日冕物质密度的讨论发现，半经验模型中色球顶部柱数密度不能用来代表耀斑环在日冕内的总物质，日冕物质密度可用日冕气压与半经验模型中色球顶部压力近似相等来进行估计，进而发现耀斑环在日冕内的总物质与前面估计的色球顶部到非热电子源之间的总物质近似相等，结果趋向于支持非热电子源位于环的顶部。
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Simple cuboidal epithelium is a single layer of cells whose width and height are approximately equal.
单层立方上皮由单层细胞组成，细胞的宽度和高度近似相等。
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With vertical-section analysis, in the later of experiment, naked terra and wheat land make content of soluble salt high in 0～20cm,and decreasing with deepening of soil-layer; the content value of planting two-year-old Onobrychis viciaefolia 、one-year-old Onobrychis viciaefolia 、interplanting and sequential cropping in the every soil-layer is equal; in harvest, only planting wheat and interplanting display content of soluble salt is high in middle-layer (20～60cm) and low in surface and down layers(0～20cm,60～80cm).
土壤垂直剖面分析，试验末期裸地的土壤盐分表现为0～20cm 土层高，随土层深入含量逐渐降低；二年生红豆草、一年生红豆草、套种和复种处理的土壤盐分均表现出各层含量近似相等的特征；小麦收获期，单作小麦和小麦套种地各土层的可溶性盐含量均表现为中层(20～60cm)高、上下层(0～20cm 和60～80cm)低的特征。
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In particular, some new morphologies, such as cylinders with alternating helixes structure and complicated hybrid network structures are found in our studies. In the case of neutral walls, cylinder structures are commonly observed in thin films.
在模拟中，体系各个组分的体积分数选取近似相等以突出星型高分子链的特征结构；考察了在不同的组分间相互作用参数下，薄膜的厚度及表面场的强度对共聚物薄膜相行为的影响。
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It was showed that the horizontal speed of the passenger at stairway is approximately equal to that in the passage wheu the jam occurs, but the passenger density at the stairway is lower tham that in the passage.
研究表明，拥堵产生时，通道和楼梯上乘客的水平速度近似相等，但楼梯上乘客的密度小于通道内乘客的密度，楼梯的通行能力低于通道的通行能力，从而产生乘客排队现象。
- 更多网络解释与近似相等相关的网络解释 [注：此内容来源于网络，仅供参考]
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approximately equal：近似相等
approximate value 近似值 | approximately equal 近似相等 | approximation 近似;近似法;略计
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basal：基底
然后,将每一大部分从心尖到基底部进一步分割为三个区域:心尖(Apical)、中部(Middle)和基底(Basal). 这样,将左心室分割为近似相等的12段. 美国超声心动图协会推荐的命名法与标准中[10],给出了与图1相似的左心室分割方法.
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Leaf Spring：板弹簧
钢板弹簧钢板弹簧 钢板弹簧(Leaf Spring) 钢板弹簧是汽车悬架中应用最广泛的一种弹性元件,它是由若干片等宽但不等长(厚度可以相等,也可以不相等)的合金弹簧片组合而成的一根近似等强度的弹性梁.
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whisker：触须
1.如果数据是明显对称,中位数值线将近似位于四分位距箱体的中间,上下触须(whisker)在长度上将近似相等. 2.如果数据是偏态的,中位数将可能不位于四分位距(IQR)箱体的中间,某一触须(whisker)将可能显著地比另一个长.