查询词典 two-dimensional distribution

In the paper,the optimal purchase allocation strategy for distribution companies in two trading markets is studied.

研究供电公司在两个交易市场中的购电分配策略问题。

The system control action optimal distribution and the system control optimum design as the way of two stage design is proposed for structural control systems.

1提出了结构控制系统的二级设计思想，即系统控制作用的最优分布设计和系统控制作用的最优设计。

By use of the method proposed in last chapter, the design method of system control action optimal distribution and parameters of system control optimum for the control system of multi-structure connection is established according to the two stage design way.

根据控制作用系统优化设计的二级设计思想，应用上章给出的方法，给出了多结构联系系统控制作用的最优分布与被动控制的系统控制优化参数的设计方法。

The spiny eel , belonging to Perciformes, Osteichthyes, is a kind of little freshwater fish distributed in Southern China. In 1998, Our lab detected XX/XY differentiated sex chromosomes in this specie with karyotypic analysis, and then with chromosomal binding and SC observation, we identified that its two largest metacentric chromosomes were X, Y sex chromosomes in 1999. X, Y chromosomes differ each other not only in the distribution of heterochromatin but also in their shapes, which make them could be recognized directly under the light-microscope without any banding treatment.

刺鳅，属鲈形目、刺鳅科(Perciformes，Mastacembelidae)，是广泛分布于中国南方的小型淡水鱼类。1998年，我室通过核型分析，首次发现该物种具有明显分化的异形性染色体，其性别决定类型为XX／XY型。1999年，本室通过染色体显带、精母细胞联会复合体观察，再次确认刺鳅染色体组中最大的一对中部着丝粒染色体为X、Y性染色体，两者不仅已经出现结构异染色质分布上的不同，同时在外部形态上也存在明显差异，识别特征鲜明，在光镜观察下无需显带即能清晰辨认性染色体。

Regarding the sytem territory of super sequence as a unit, and depending on more than two handred data points, the space-time distribution of lithofacies and paleogeography in six key periods of Permian and the filling characters of prototype basins are reveal.

以超层序的体系域为单元，依据200多个资料点，再造了二叠纪六个关键时期构造—岩相古地理的时空展布与原型盆地的沉积充填特征。

Firstly, Dempster-Shafer is developed by not only considering the certainty of the evidence, but also considering the average support of the evidence to different subsets in the assignment framework so that it can give more reliable combination result. Secondly, amplitude ratio feature and Euclid distance of the probability density distribution function in Pearson graph from different temporal SAR images are extracted to present change feathers in different scales. Finally, the improved Dempster-Shafer algorithm is applied to fuse the two different features to detect change information of SAR images.

首先通过综合考虑证据本身的确信度和证据对辨别框架中子集的平均支持度进行证据间的加权合成，改进证据理论对证据的合成，提高其可靠性；然后提取不同时相图像间的散射幅度的对比度和概率密度分布函数在皮尔逊图中的欧式距离，两种特征参数代表了像元级和区域级不同空间尺度下微波遥感图像中关于地表变化的信息；最后将改进的证据理论用于两特征之间的融合处理，得到地表的变化信息。

Quantitative measurements also show that the bend sensitivity against the resonant wavelength shift has a periodic distribution along circular directiom.Based on these results,this paper proposes two approaches for sensor desi...

据此提出新型对弯曲不敏感的传感器和可调灵敏度弯曲传感器的设计方案，可望从根本上解决长周期光纤光栅在测量中存在的温度、应变或折射率与弯曲之间的交叉敏感问题

The 0°K relaxed structures of grain boundaries in Cu and its alloys (Cu-Ag, Cu-Bi) were simulated with molecular dynamics method by using a five-parameter potential and constant volume assumption.In these cases, the results showed that the atomic distribution was periodic in the two directions paralled to the grain boundary and it was mirror-symmetric in the direction perpendicular to the boundary.

本文采用五参数对势和固定体积的假定，应用分子动力学方法模拟了零温下纯Cu、Cu-Ag和Cu-Bi合金的晶界弛豫结构，计算结果表明，在上述情况下，原子分布在平行晶界面的两个方向是周期性的，在垂直晶界面的方向是镜面对称的。

The establishment and relaxation processes of the transient gratings, which are formed by two recording 514nm beams with different polarization directions, SS, PP, SP and ±45℃, are investigated. Using the weak absorption of the chromophores at 632. 8nm and the positive dichroism of the chromophores molecules, a kind of bi-photonic transient gratings, owing to the periodic distribution of Trans and Cis isomers, is established first time in azo-dye doped polymeric bulk sample.

实验考察了两束514nm的写入光在不同偏振情况下（SS，PP，SP和±45），在样品中形成的瞬态栅的建立和弛豫情况；利用偶氮生色团在632.8nm波段的微弱吸收和生色团分子的正二向色性，首次在块状偶氮聚合物材料中形成一种基于生色团反式和顺式异构体密度分布的双色光瞬态栅；利用瞬态栅的快速建立和弛豫，考察了其在衍射型全光开关方面的潜在应用。

P/ and /Ph/ these two allophones of the same phoneme are said to be in complementary distribution.

最小对立对指出现在同一位置上的一个音之外其余都相同的两个语音组合。

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！