查询词典 pascal distribution

It should be a direction type of efficiency that the government assigns mandatorily. Under the condition of market economy, the income gap of having certain degree is rational ,it is effectual too; Of our country the main cruxeses of unfair distribution of social wealths are the unfair income assign terms and assigning process.vlndividual income tax has little effect in changing this, so it is unfit to put too much blame on the individual income tax law about the current situations of unfair distribution of social wealth; To regulate the income distributes is a system, and managing income unfair distribution should be arranged and develop simultaneously more measures too.

在市场经济条件下，有一定程度的收入差距是合理的，也是有效的；我国社会分配不公的主要症结所在是收入分配条件和分配过程不公平，个人所得税对此所能发挥的作用是极其有限的，因此不能将社会分配不公的现状过多地归责于个人所得税法，要求在指导思想和制度上提高公平特别是实质公平的程度；收入分配的调节是一个系统，治理收入分配不公也应当多措并举。

The time-frequency distribution of the surface myoelectric signal was computed by means of STFT、Wigner-Ville distribution and Choi-Williams distribution.

用短时傅里叶变换、Wigner-Ville分布及Choi-Williams分布计算了表面肌电信号的时频分布，用于信号频率内容随时间演化的可视化观察。

Based on the distribution of the genera in the world,the eight distribution types of the genera were divided.In addition,the distribution characters of the Perlidae in China were also probed preliminarily.So far two subfamilies,four tribe and twenty genera have been found in China.Ten of them,of which three genera are endemic to China,are the Oriental genera;one Palaearctic genus;three Oriental-Palaearctic genera;one Oriental-Nearctic genus;four Oriental-Palaearctic-Nearctic genera and one Oriental-Palaearctic-Nearctic-Afrotropical genus.

文中还就中国郋科昆虫的地理分布及特点作了初步的探讨，结果表明：在我国已知的2亚科4族20个属中，东洋区分布的有10个属，其中有3个属仅分布于我国；古北区分布的有1个属；东洋-古北区分布的有3个属；东洋-新北区分布的有1个属；东洋-古北-新北区分布的有4个属；东洋-古北-新北-非洲区分布的有1个属。

On the distribution types of genera and species, Pantropic distribution type was the dominant, followed by north temperate distribution type, which showed the characteristic of transitionality.

科的分布区类型中，泛热带分布型36科，世界分布型34科，分别占总科数的31.30%和29.57%；属和种的分布区类型中，都是泛热带分布最多，北温带分布紧随其后，表现出区系过渡性的特点。

Phytogeographical distribution: Firstly,the geographical distribution map of each species are given,basing that,distribution pattern of each species in each series and that of each series in each section are discussed.

在亚洲植物区系的研究中具有独特的重要地位，又有突出的资源价值和生态意义，致使本属的研究工作十分广泛[1~7]，但是，由于工作繁杂等原因，缺少对本属分布系统的研究资料。

The distribution of prolyl peptide bond conformations, Ramatrandran distribution, atom distance of main chain, distribution of conformation energy after 300 times simulated annealing are analyzed.

通过模拟退火的分子动力学方法，对2种BPP分子的4种构象(cis-BPP-5b、trans-BPP-5b、cis-BPP-9a、trans-BPP-9a)在经过300次模拟退火后的脯氨酸肽键的构象分布、Ramatrandran分布、主链上原子距离、构象能量的分布进行了统计分析。

Purpose In this research, we applied three modeling methods to strive for accurately forecasting thepotential distribution of invasive species-Solenopsis invicta in China. Furthermore, we also researchedthe relationship between potential geographic distribution of S. invicta and environmental factors indetail to understanding how environment factors restricted distribution of Solenopsis invicta innon-suitable areas of Chinese mainland. The achievement of research provides a theoretical basis, whichcould guild the next step for the prevention and control stratagem ofS.

研究目的与意义：本研究通过3种不同机理的分析生物分布预测模型进行建模分析，力求准确预测入侵物种红火蚁在中国的潜在分布范围，并明确红火蚁潜在地理分布与环境因素之间的关系，同时找出在中国大陆地区非适生区限制其分布的影响因素。

For more exact modeling population distribution condition and more expressly reflecting population spatial pattern in urban region,with the fifth census data of Shenyang City,in this paper we spatialize population data by using grid calculating,model population distribution by using Geo\|statistics,identify population pattern by using DEM models and analyze characters of population distribution.

为准确地模拟城市人口分布，清晰地反映城市人口分布格局，本文利用沈阳市第五次人口普查资料，采用网格计算方法空间化人口数据、地统计学的空间插值方法模拟人口分布。

The distribution network optimization program based on that can further enhance the security and efficiency of the distribution system while assuring that the distribution network is spokewise and satisfies the heat capacity of feeder lines, voltage reducing and transformer capacity.

在此基础上制定的配网优化方案能够在保证配网呈辐射状、满足馈线热容、电压降落要求和变压器容量等的前提下，最大限度提高配电系统安全性和经济性。

Distribution is the tache in the logistics activity with consumer connected link directly, logistics distribution for vehicle routing problem, is a pivotal tach of the logistics distribution optimization.

配送是物流活动中直接与消费者相连的环节，而车辆运输调度又是物流配送优化中关键的一环。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。