查询词典 value distribution

The significant biological and apply value of Nostoc Sphaeroids kutz with abound nutrition and infrequent distribution had been paid people\'s much attention.

葛仙米以其资源稀少、营养价值丰富、独特的生物活性和广泛的应用价值而引起人们地关注。

Probability distribution Rounding off of numerical value Mathematics model

概率分布；数值修约；数学模型

The main results can beexpressed as follows:(1)Based on πtheory, some affected factors about wave forces are given, and therelation between affected factors and wave forces is analysised by experimentalresults.(2) The distribution of wave press at representative time and reflection nature aregiven and their variety charactes are discussed by experimental results.(3)By comparing the wave forces of quarter-circular breakwater and semi-circularbreakwater under the same wave conditions,some approximately wave forcesexpressions of quarter-circular breakwater are given.(4)Based on VOF method to trace water free surface,solve numerical value ofRANS equation,and get the distributions of flow field and wave press ofquarter-circular breakwater at the same time during one period,the mechanism ofwave force is also discussed elementarily.(5) Based on the result that RANS equation of numerical simulation agree wellwith experimental results,a new approach to study hydraulic natures of quarter-circular breakwater is provided.

其主要结论如下：一、通过π定理，确定影响波浪力的无因次参变量，根据试验结果对其影响因素进行分析；二、基于模型试验，给出典型时刻圆弧面防波堤的同步波压分布和反射特性，讨论它们的变化特点；三、通过相同条件下圆弧面防波堤与半圆型防波堤两种堤型试验波浪力的比较，给出了圆弧面防波堤波浪力的近似方法；四、利用VOF法追踪自由水面，数值求解RANS方程，得到圆弧堤堤体周围的流场和压力场，初步分析了速度涡流与压力场的相互影响；五、对比数值分析与试验结果，探讨数值方法研究圆弧面防波堤水力特性的可行性，提供新的研究途径

Based on the empirical orthogonal function and singular value decomposition method the spatial distribution and time variation of soil temperatures in the plateau are analysed.

运用EOF方法分析了各层地温的时空特征，并对不同时段的地温场和降水场进行SVD分解，并讨论了前期地温变化，尤其是10cm地温变化与我区降水之间的关系。

Distribution recognition is of significant value both in theory and in practice for simulation output data analysis.

通过仿真实验，发现了原有系统存在的问题，给出了对原有系统的改进方案。

This paper has presented the types and distribution characteristic of the Quaternary glacial deposits on the west side of the Yulong Mountains, which was an important task for the selection and optimization of the Yunnan-Tibet railway line in Northwest Yunnan. Based on lab test of physics and mechanics, the results of engineering properties of moraine/outwash rocks, including the cement composition and their cementation, stability in water, mechanical property, and sound spreading velocity, etc., have been reported, which can not only enrich the research contents of rock mechanics, but also have important practical value for railway construction and water power development in mountain regions.

结合滇藏铁路滇西北段线路比选和优化工作，对云南玉龙雪山西麓第四纪冰川堆积物的类型和分布特征进行了详细的野外调查；在室内物理力学试验的基础上，着重研究了冰碛砾岩的胶结物成分与胶结作用、水稳性、力学性质、声波速度等方面的特性，这不仅可以丰富现代岩石力学的研究内容，而且对本区铁路工程建设和水力资源的开发具有重要的实际价值。

The first step of simulation method is to establish the one-dimension parabolic partial differential advection diffusion equation that was used to describe the mass transportation model of air-pollution distribution as a block program model of the controllable plant. Then, applying the Fuzzy logic theory to operate tunnel jet-fans and control the tunnel wind quantity and adjust the wind average velocity would not let the air-pollution concentration over the standard safety value too much.

模拟方式首先将常被用以表示隧道内空气污染物质传理论模式之一维向平流扩散抛物线型偏微分方程式建构成一组可控制对象的方块程式模拟模型，再运用模糊逻辑理论模拟控制喷流式通风机之运转风量来调节隧道内平均风速以控制隧道内空气污染物浓度不至於高过标准安全值太多。

Finally, according to the characters that the inner and outer edge of double-layer eyelid are approximate parallel and the gray distribution changes sharply on the edge of inner eyelid, take the fitting curve acquired in first eyelid location as a template, and shift it down parallel to detect the position where gray value changes abruptly.

最后，根据双层眼睑的内外层边缘近似平行、而且在内层眼睑边缘处出现灰度跳变这一特点，以第一次定位所得拟合曲线为模版，平行下移搜索灰度跳变位置，完成对双层眼睑的二次定位。

Base of the distribution of chaotic parament in gas-liquid-solid fluidized bed,the bottom and the central of gas-liquid-solid fluidized bed is very comlexed.So we should monitor the bottom and he central of the fluidized bed. It provided the basis of degumming and it has important value and instruct meaning.

根据气液固流化床中的混沌特征参数的分布，说明在流化床的底部和中央区的运动更为复杂，应加强底部和中央区的控制和监测，同时也为流化床在脱胶行业的应用提供了依据，具有重要的工业应用价值和指导意义。

For example : Blowing oxygen traversing equipment assembly of Lengsuijiang Iron and Steel co.,ltd.;Machine of divering for larry assembly of the first automobile manufacture(total value :RMB 1410000);engine braking assembly of Shenyang autombobile manufacture;gas-distribution jar assembly of boiler company;high pressure jar assembly for changing oil to gas of bus company;Americia farming automobile chassis ;goods container plug-in board assembly;rolling mill for medium and mini teaching of science and technology college ;large-scale fitting for mining machine.

冷水江市钢铁厂的吹氧横移设备总成（总价值141万人民币）；第一汽车制造厂的小车转向机总成；沈阳机车车辆厂换代承载鞍机车制动总成；锅炉厂分气缸总成；公交公司油改气高压气缸总成；美国农用车底盘；货箱插件总成；科技大学中小型教学用轧钢机总成；矿机大型配件。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。