查询词典 base field

By means of field survey, systems analysis and history datum analytic methods, on the base of natural, social, economic conditions of the source region, the author analyzed the type, characters of vegetation of the source region, then aimed at the problems of produce in source region, and then took out thereinafter conclusions on studying approaches to sustainable utilization of grassland in the source region.

本文通过实地调查、系统分析、历史资料分析的方法，在阐明江河源进行草地生产的自然、社会、经济现状基础上，分析了江河源区植被分布的类型及特点、江河源区草地退化原因，并针对江河源区草地生产存在问题，提出了江河源区草地可持续利用的途径。

The construction of the heavy rawmaterial MEK toluol unit depended on resources superiority of paraffin base oil inHenan oil field , the microcrystalline wax products share and the competitive powerin the market might enhance.

装置的建成，充分依托了河南油田石蜡基原油的资源优势，可以提高微晶蜡产品的市场占有率和市场竞争力。

Field experiments were conducted to study effects of nitrogen application rate and ratio of base and topdressing on nitrogen utilization, grain yield, and grain protein content in winter wheat using 15N tracer technique.

在大田栽培条件下，运用15N示踪技术研究了不同施氮量和底追肥比例对小麦氮素利用和子粒产量及蛋白质含量的影响。

On the base of other researcher, the *** from the basic equations of stable current field to derived the expressions of boundary problems under 3-D condition. Without considering the EM effect and using the generalized variation principle, we can get the corresponding variation equation. Thronging subdivide the 3-D model, interpolation, analysis, and general synthesis with the triangular prism element, we can carry out the simulation on frequency-domain IP\'s parameters under level and undulate topography.

在前人工作的基础上，在忽略电磁效应的情况下，从稳定电流场的基本方程出发，推导了三维区域满足的边值题目，用广义变分原理得到相应的变分题目，通过用三棱柱单元对大地模型进行剖分、插值、总体集成，最后解方程，得到每个节点上的复电位值，最后实现了水平和起伏地形等条件下的激电参数的数值模拟。2。

Firstly a fast direct computing 3kP algorithm in field was deduced,which only needed one inversion;the new double base number chain based on 1/2 and 3 could be integrated with high-speed direct computing 3kP and halving algorithm.Scalar multiplication based on the new chain only employed point addition,halving algorithm,triplication and direct...

在底层域推导出直接计算3kP的快速算法，该算法只需一次求逆；新设计的以1/2和3为基的双基数编码可结合高效的直接计算3kP和折半运算，基于该双基数编码的标量乘算法只涉及到点加运算、折半运算、三倍点和直接计算3kP，底层域运算复杂性得到降低，在NIST推荐的椭圆曲线上比Dimitrov算法效率提高70%以上，比Wong方法提高10%以上。

The unsteady state temperature field of the tire base on the two heat source.

轮胎非稳态温度场的研究就是基于这两种热源。

The aim of the research was to study the effect of low dose imidaclopri on predation ability and reproduction of Adonia variegate and provide scientific base for guiding rational pesticide application in field.

［目的］研究低剂量的吡虫啉药剂对多异瓢虫捕食力及繁殖的影响，为指导田间合理用药提供科学依据。

The Eighth Northeast Engineering Machinery Exhibition will be one of the best places displaying equipment, products and relevant services in the field of engineering machinery, earthwork machinery, construction machinery, road machinery, building material machinery, special vehicles, engineering equipment and tools as well as parts, etc for Chinese and international exhibitors. It will exhibit great opportunities of vitalization of industrial base of the northeast and new market and provide the greatest profits with all-around services.

"第八届东北工程机械展"将是中国及国际展商展示工程机械、土方机械、建筑机械、公路机械、建材机械、专用车辆、工程设备及工具、零部件领域设备、产品及相关服务的最佳场所之一，她必将"振兴东北老工业基地"蕴涵的巨大商机和新市场展现给大家，全方位的服务将给您的投入提供最大的收益。

In a warm-up match of dawn, Chinese women's football relies on forcing open the door for a head mallet which fills Sun Ling in the field, make every effort to overcome Argentina with1-0, how6 unbeaten already after being graceful base take up an official post then.

在今天凌晨的一场热身赛中，中国女足凭借替补上场的孙凌的一记头槌破门，以1-0力克阿根廷，多曼斯基上任后已经6场不败。

The theory base of this paper is the technology of image-based rendering, so firstly the technology is summarized. In this part, fish-eye/wide-angle lens' concept and their application in virtual reality system ,especially in the field of panorama stitching are introduced.

本论文是以基于图像绘制技术作为理论基础，因此先概述了基于图像绘制技术，然后介绍了鱼眼/广角镜头概况以及在虚拟现实技术中，特别是图像拼接中的应用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。