查询词典 mathematic

The systematic experiment of conservation tillage in two crops a year region has been designed and performed according to the maximum benefit of resources, environment and production, based on the research achievements of conservation tillage technology in one crop a year regions. Series experiments and embedded theory study have been conducted for estimating the feasibility of water saving in conservation tillage and guiding irrigation. At the same time, the evaporations of soil water under the condition of conservation tillages are measured and its mathematic model is studied and significant research achievements have been obtained.

中文文摘：为研究一年两熟地区实行全程保护性耕作技术体系的可行性，选择出适宜该地区一年两熟的保护性耕作技术体系和提供指导灌溉用水的理论依据，论文在一年一熟地区保护性耕作体系研究成果的基础上，以一年两熟地区全程保护性耕作体系的资源环境效益和生产效益为依据，进行了深入的理论分析和田间试验研究；同时进行了保护性耕作条件下，土壤水分棵间蒸发的专项试验及模型研究，取得了重要的研究进展。

The systematic experiment of conservation tillage in two crops a year region has been designed and performed according to the maximum benefit of resources, environment and production, based on the research achievements of conservation tillage technology in one crop a year regions. Series experiments and embedded theory study have been conducted for estimating the feasibility of water saving in conservation tillage and guiding irrigation. At the same time, the evaporations of soil water under the condition of conservation tillages are measured and its mathematic model is studied and significant research achievements have been obtained.

为研究一年两熟地区实行全程保护性耕作技术体系的可行性，选择出适宜该地区一年两熟的保护性耕作技术体系和提供指导灌溉用水的理论依据，论文在一年一熟地区保护性耕作体系研究成果的基础上，以一年两熟地区全程保护性耕作体系的资源环境效益和生产效益为依据，进行了深入的理论分析和田间试验研究；同时进行了保护性耕作条件下，土壤水分棵间蒸发的专项试验及模型研究，取得了重要的研究进展。

In this dissertation, after a brief introduction to the biologic background of the primate visual system, the development histor y , the current research status and shortcomings of SC, a simple mathematic description to SC was given also.

本文首先回顾了初级视觉系统的生物背景知识以及 SC 问题的发展历史、研究现状和存在问题，并对 SC 问题进行了简单的数学描述。

The high sparseness of LPBNMF features is assured by the inherent characteristics of its mathematic model.

LPBNMF降维通过线性变换来完成，它所采用的数学模型的自身结构特点决定了由其得到的特征一定非常稀疏。

The mathematic models of damp groove type continuous oil supply port plate /cylinder block and semi-perimeter double oil groove type periodical oil supply port plate /cylinder block frictional pair was established in the paper.

本文对阻尼槽型连续供油配流副和半周槽双油腔间歇供油配流副两种较典型的配流副进行了数学建模。

According to mathematic logic proof,the normal model is proved necessary and important for 100% detection of selfs and non-selfs.

通过数学逻辑论证，正常模型能在理论上实现对自体和软件故障的100%检测率。

The thesis introduces an equal difference between an approximate value and an accurate value waY for panel point's coordinate calculation of the irregular curve by means of tangent line's approaching;illustrates it with a concrete example;and falls back on MATLAB mathematic software to draw an imitation picture of cutting tools' locus.

介绍一种用切线逼近非圆曲线节点坐标计算的等误差法，结合实例，借助M ATLAB数学软件，绘制出刀具轨迹的仿真图。

By analyzing the motive properties of a carrier, this paper sets up a mathematic model for predicting its moving trends, and based on which, the terminal guidance of predicted impact is adopted.

通过分析航母的运动特性，建立了预测其运动态势的数学模型；在此基础上，采用预测落点的末制导方法，在导弹弹头再入大气层后，通过多次预测和修正，实时修正由于航母运动和再入过程中大气影响等各种干扰因素所引起的落点偏差，以保证弹头能以较好的精度命中目标。

Based on the research results of domestic and foreign experts, the article uses fitting induction to draw the relation curve of speed and density of the passenger flow at the loading areas and upward stairs of Beijing Subway Line 1, and produces the suitable mathematic model by regression.

在借鉴国内外学者研究成果的基础上，本文拟合归纳出北京地铁1号线站台集散区和上行楼梯处客流速度与密度理论关系曲线，回归出得到相应数学模型。

Then recuring to the technical economy method and mathematic method, we set up an improved NPV model which includes more variables such as the increase rate of product cost, the time delay of investment income, and so on.

对所建立的改进收益现值模型中一些参数的合理确定进行了深入的研究，主要包括油气产量预测方法的选择、油气价格的确定、成本费用及税金的计算、投资的确定和折现率的选择。

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。