等分布

In this thesis, bathymetric maps in 1958, 1980 and 2004, and ArcGIS software and Digital Elevation Model were employed to examine the spatial distribution and temporal variation of coastal wetla...

本文根据不同时期的长江口-杭州湾地形图，采用GIS、数字高程模型等，得出长江口-杭州湾北岸滩涂在1958年、1980年和2004年的分布状况[0m，2m，5m等深线以上的滩涂面积及其空间分布]，分析滩涂面积的变化及其与长江来沙和围垦等的关系，最后尝试对今后10-20年滩涂的冲淤趋势做出预测。

This project was conducted starting with the three interrelated subjects the structural characteristics of desertification landscapes in different bioclimatic zones, desertification driving factors and their function mechanism, and the dynamic model of landscape space for the occurrence and development of desertification in representative desertification regions and on the basis of in-depth studies of the relations between landscape structural characteristics and processes of desertification and their stability; the driving force of different time-space scales of desertification and their proportion, manifestation form, and action mechanism in the desertification processes; and the establishment of threshold conditions for the surface wind erosion and has achieved important progress in the definition of desertification conception

本课题从三个相互联系的专题（即不同生物气候区荒漠化景观的结构特征、荒漠化驱动因素及其作用机理、典型荒漠化地区荒漠化发生与发展的景观空间动力学模型）入手，在深入研究荒漠化景观结构特征与过程的关系及其稳定性，不同时空尺度的荒漠化过程驱动力及其在荒漠化过程中所占比重、表现形式及作用机制，地表风蚀临界条件的确定等内容的基础上，虽未建立荒漠化景观空间动力学模型，但在沙漠化概念，末次间冰期以来沙漠化过程时间序列和特征冷暖时期沙漠、沙地空间分布格局，现代沙漠化过程中自然因素和人文因素的作用、贡献率、沙漠化土地对气候的反馈作用以及风蚀临界值，沙粒跃移轨迹参数和能量分布，我国沙漠化防治思路和对策，沙尘暴区划和沙尘暴指数等方面取得了重要进展。

The frequencies of CCR5delta32,CCR2b-64I,SDF1-3′A alleles in Dai population were 0.0000,0.2130,0.2030,respectively;The frequencies of CCR5delta32,CCR2b-64I,SDF1-3′A alleles in Chingpaw population were 0.000,0.1637,0.1770,respectively.Distributions of the CCR2b-64I,SDF1-3′A alleles among the both populations were in accordance with Hardy-Weinberg equilibrium.No statistical difference was found in the allelic frequencies of both CCR2b-64I and SDF1-3′A between male and female individuals.

结果表明，中国傣族景颇族人群中未发现CCR5△32等位基因突变；傣族CCR2b-64I、SDF1-3′A基因突变频率分别为0.2130和0.2030，景颇族CCR2b-64I和SDF1-3′A基因突变频率分别为0.1637和0.1770；与中国汉族人群相比较，傣族和景颇族中SDF1-3′A突变频率较低（P值分别为0.0322和0.0021）；两个民族的CCR2b-64I和SDF1-3′A等位基因群体分布符合Hardy-Weinberg平衡，在性别之间分布无显著差异。

Coccinella septempunctata in China is fairly well distributed, the distribution of the region in Beijing, Liaoning, Jilin, Heilongjiang, Hebei, Shandong, Shanxi, Henan, Shaanxi, Jiangsu, Zhejiang, Shanghai, Hubei, Hunan, Jiangxi, Fujian, Guangdong, Sichuan, Yunnan , Xinjiang, Tibet, Inner Mongolia and other places, commonly found in farmland, forests, gardens, orchards, etc..

七星瓢虫在我国分布相当广泛，分布的地区有北京、辽宁、吉林、黑龙江、河北、山东、山西、河南、陕西、江苏、浙江、上海、湖北、湖南、江西、福建、广东、四川、云南、新疆、西藏、内蒙古等地，常见于农田、森林、园林、果园等处。

a studies of the drought-resistant identification on nine types(18 maize varieties) in condition of simulated drought stress were tested though 3 agronomical indexes such as relative germination frequency, root dry weight, leaf water content, the subordinate fuzzy function was used to evaluate compressively the drought resistance of the eighteen maize varieties.

玉米是我国三大粮食品种之一，每年种植面积达到2500万公顷左右，主要分布在东北、华北及西南、西北等一部分地区，而我国干旱、半干旱地区（包括华北、西北、内蒙古和青藏高原等地区）主要分布在这一带，约占全国土地面积的二人之一[1]。因此，对玉米抗旱性研究是提高其产量的一个行之有效的途径。

In this work,atomic force microscopy,near-field scanning optical microscopy,laser scanning confocal microscopy and quantum dot labeling were used to investigate the biophysical properties(the parameters including morphology,membrane nanostructures,membrane pore, friction distribution,adhesion properties,specific interaction of antigen-antibody,distribution mode of membrane receptors and so on) of T lymphocytes stimulated by phorbol dibutyrate plus ionomycin at nanoscale.

本论文基于AFM和NSOM，结合量子点标记及激光共聚焦等技术，以人外周血T淋巴细胞为研究对象，在纳米尺度研究了活化前后以及不同活化阶段T细胞生物物理特性的变化，即细胞形态结构、膜表面纳米结构、膜孔变化、膜表面摩擦力分布、膜表面粘附特性、抗原-抗体间特异性相互作用力、膜表面受体分子分布模式等。

Some parameters and properties of Centrin, after being purified, were predicted with GenePro, such as isoelectric point, net charge, amphipathy, hydropathy, a-helix potential, Calcium-binding site. All these attempts aim to provide some theoretical guidance for the succeeding experiential researches.

纯化后的Centrin先运用GenePro对它的一些参数及性质做了预测，诸如等电点、净电荷量、亲水亲脂性、α-螺旋分布及钙结合区氨基酸序列分布等，以期为后续实验研究起到理论性的指导作用。

Adopting the model of uniform load and triangular load separately,MRFs of different story numbers and bay numbers are analyzed by static Pushover analytical method,and the global capacity envelopes are obtained.Then,through a method for establishing the inelastic demand spectrum of design intensity and rare intensity based on elastic spectrum of seismic design code for buildings,the structural target displacement of design intensity and rare intensity are estimated by improved capacity spectrum method.The corresponding structural ductility reduction factor,the overstrength factor,the structural influencing coefficient and displacement amplification factor are determined.

分别采用水平均匀分布力和倒三角分布力加载模式对不同层数和跨数的钢框架结构进行了静力推覆分析，并得到了结构的能力曲线，在此基础上，应用改进的能力谱法，以规范反应谱为基础建立设防烈度和罕遇烈度下的弹塑性需求谱，确定出结构在设防烈度和罕遇烈度下的目标位移，进而求解出结构的延性折减系数、超强系数、结构影响系数和位移放大系数等参数；同时，分析了不同加载模式、层数和跨数等对各系数的影响。

Biological characters such as morphological character, growth character, habitat, community and geographical distribution of Picrorhiza scrophu1ariflra Pennell in northwest of Yunnan were studied, and the reasons of environmental deterioration, man-made sabotage, own reasons of Picrorhiza scrophu1ariflora Pennell in Yunnan were analyzed as well. The development and protecting strategy to improve protention, improve base study, enlarge protective area and protect native reasource, reintroduction, rational utilization and effective protection were put forward.

对分布于云南西北部的珍稀濒危植物胡黄连生物学特性，包括形态特征、生长特性、生境特点、群落学特性和地理分布进行了系统的研究，并从生存环境恶化、人为破坏、自身对环境要求严格等方面详细分析了云南胡黄连的濒危原因，提出了完善保护工作，加强基础研究，扩大保护范围，实现就地保护，开展迁地保护和回归引种研究，倡导&合理利用和有效保护并举，保护优先&的原则等保护与发展对策。

At each level, the parameters, hyper parameters and model parameters are adjusted to minimize the Kullback-Leibler divergence between their posteriors and real distributions so that the variable free energy can approach the real free energy.

在指出证据框架和自由能最小化方法等贝叶斯推理方法的局限性的前提下，通过对比证据框架的方法，提出了自由能框架的概念，将通常难以求解的自由能最小化过程分解成参数自由能最小化、超参数自由能最小化、模型参数自由能最小化等层次，在每个层次上调节参数、超参数和模型参数，使其后验分布为其真实分布之同的Kullback-Leibler距最小，以使可变自由能逼近真实自由能。

I'm gonna go pack my regular, long bathing suit.

我要去打包我那不起眼的超长泳裤

Random number generators are used in many areas, with the improvement of the computational ability of the computer.

随着计算机计算能力的不断提高，随机数发生器在许多领域有了更加广泛的应用。