查询词典 two-dimensional distribution

It is divided into four types: narrow sense omamental stones, gem-jade stone and color stone, omamental rock, omamental ore and mineral based on the form character. It has been studied on the cause, form character and the geographical distribution of geological evevt stone of Jinhajiang ophiolite, Sanjiang stone, gem-jade stone and color stone. Two new types of ornamental stone, Jinshan stone and Mahua stone have been discovered.

主要根据形态特徵把三江区观赏石资源划分为狭义观赏石、宝玉石和彩石、观赏石材及观赏矿石矿物四大类，重点研究了金沙江蛇绿岩地质事件石、三江石、宝玉石和彩石的成因、形态特徵及地理分布，并新发现了两类造型石——金山石和麻花石。

This paper aims to find the test formulas for the marginal distribution in 2×2 table and Comparis on of the differences between the marginal probabilities with two 2×2 tables methods.

在科学研究中，广泛采用重复测量或配对设计的方法进行研究，而在许多情况下其测量或观察资料为 2分类计数资料。

For this reason ,this paper mainly studies two kinds of queueing models.The first is N-node tandem open queueing network system with feedback and server vacation. The generator matrix of Markov process is given in recurrence formulation. The steady-state distribution and other relative index of the system are obtained by means of matrix analysis theory and probability theory.

针对上述情况，本文主要研究了两个模型，第一个为具有反馈的多级串联休假排队模型，其中采用递推方式给出了马尔可夫过程的转移矩阵，并利用矩阵分析方法进行求解，得到了该系统的稳态解及其它相关指标。

According to the space distribution characters of tectonic-sequence-based lithofacies and paleogeography, it is showed that three types of hydrocarbon source-rock including carbonate rock, clay and coal in Permian mainly are developed in transgression and maximal sea flooding of two order sequences, and they deposite respectively on platforms with gentle slope in craton, in rift basins and around old lands.

构造-层序岩相古地理的空间展布特征表明，二级层序的海侵期和最大海泛期是二叠纪烃源岩发育的主要时期，分别在克拉通的缓坡台地上、裂陷槽盆和古陆周缘形成了碳酸盐岩、泥质岩和煤系三类烃源岩。

This paper took the paddy soil after saving-water irrigation as the object,which is from Taian town of Yangzhou city, selected microtomy to get undisturbed soil samples respectly between two periods(before irrigation and after harvest), built up the analytical technique of numerical picture system.It also set up the analysis index of macropore structure,such as the number of macropores N, the macroporosityφ,the area A, the perimeter P and so on. Meanwhile make analysis contrast about horizonal distribution among 4cm, 6cm and 8cm scanning areas, vertical differences per 2cm unit and contrast in time between different periods.

本文选取扬州市泰安镇节水灌溉后稻田土壤为研究对象，采用切片法取开灌前和收割后的原状土样，运用数字图像制备技术，获取大孔隙数目N、大孔隙度Φ、面积A、周长P等分析指标，对4cm、6cm和8cm扫描直径内大孔隙作水平向差异性分析，对2cm单位深度上作垂向差异性分析以及对两个不同时期作时间差异性分析。

Methods Twenty-two cases with cerebral miliary tuberculosis of the brain were retrospectively studied with MRI including plain scan and enhanced study with GD-DTPA MRI features regarding the size,shape and distribution of the lesions were summarized and analyzed.

方法对22例粟粒性脑内结核病患者的MRI特点，包括病灶大小、形态，分布情况及MR平扫与增强扫描的区别进行回顾性总结分析。

If the deformation of the object is symmetrical, two components of deformation can be obtained by the mixed phase distribution.

单光束照明的传统电子散斑干涉技术，测量得到的是一幅物体变形的混合相位场。

In two cases with uniform initial By distribution, the recurrent f ormation and successive ejection of flux rope structures are illustrated un der the action of plasma inflow caused by the dawndusk electric field. It is n oticeable that in the cases with the modificative terms, a reduction of the aver aging magnitude of peak pressure and a considerable enhancement of the av eraging strength of core magnetic field are exhibited for the multiple magneti c structures.

对于 初始By分量为均匀分布，受晨昏电场产生的边界入流作用，磁尾通量绳结构重复形成与逐一排放的两个算例，计入修正项后，多重磁结构峰值压强的平均值降低，核心场的平均值明显增大。

This design after determination frame layout, has carried on the level first the load generation of tabular value computation, extracts the wind load with the D value law the function, then uses the bending moment two methods of distribution to calculate the vertical load under the function structure endogenic force, and discovers most disadvantageous group of or a several group of endogenic force combination.

本设计在确定框架布局之后，先进行了层间荷载代表值的计算，用D值法求出风荷载的作用，接着用弯矩二次分配法计算出竖向荷载作用下的结构内力，并找出最不利的一组或几组内力组合。

This design after determining the frame layout, has carried on the level the first load generation of tabular value computation, extracts the wind load with the D value law the function, then uses the bending moment two methods of distribution to calculate the vertical load under the function structure endogenic force, and discovers most disadvantageous group or a several group of endogenic force combination.

本设计在确定框架布局之后，先进行了层间荷载代表值的计算，用D值法求出风荷载的作用，接着用弯矩二次分配法计算出竖向荷载作用下的结构内力，并找出最不利的一组或几组内力组合。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！