Using the Moon to view Earth recreates the basic geometry of exoplanet searches, as well as averaging the effect across the entire atmosphere.
用月亮来观察地球重新建立了外星行星凌日的基本几何学原理，同时平衡了穿过整个大气层的影响。
Learning plane geometry well is the foundation of learning solid geometry well.
学好平面几何是学好立体几何的基础。
Surveyors use geometry, algebra, and trigonometry, as well as a variety of technologies, to take exact measurements of the land and its features.
勘测人员利用几何，代数，三角学，以及各种技术，对土地及其特征进行精确的测量。
The contact pretension between the layers of cylindrical structure concerns the non-linearity of geometry and material, as well as the influence of interface friction.
多层圆柱结构的接触预紧问题，涉及到几何非线性和材料非线性以及接触面上摩擦力的影响。
The fractal geometry theory will be relatively well applied to the quantitative modeling and simulation of the sedimentary bodies.
分形几何学理论在沉积体定量建模和模拟方面具有较好的应用前景。
Some practical problems of this technology, such as tool material selection, special optimization index of cutting parameters and tool geometry determination, are discussed as well.
本文还深入讨论了刀具材料、特定的切削用量优化指标以及刀具几何参数确定等实际技术问题。
Additionally, the well-known four colour problem and elementary geometry theorem-proving problem have been discussed.
同时，也对四色问题与初等几何定理证明作了简单的讨论。
Then the process of geometry modeling, the plan of kinematics modeling as well as the building and solution of the dynamics equations in physics modeling are described.
然后分别叙述了几何建模的过程，运动建模的方案，物理建模中动力学方程的构建与求解过程。
The voltage distribution in the arrester is governed by the geometry as well as the electrical properties of the materials used.
避雷器电阻片的电压分布主要取决于避雷器几何结构和采用的材料两个方面。
Sensitive analysis shows that the yield acceleration of the reinforced earth retaining walls is affected by wall geometry as well as strength of soil and reinforcements significantly.
参数敏感性分析表明，挡墙几何、填土及加筋的强度参数是影响加筋土挡墙屈服加速度的重要因素。
In combination with the well test analysis, the fracture geometry and conductivity are calculated and a numerical simulator is built for a real well in a low permeability oilfield.
文章结合试井分析，确定了裂缝几何尺寸和裂缝导流能力，对低渗油田某井建立了数值模拟模型。
The geometry and inner structures as well as the kinematics of the east-west dextral strike-slip fault system in the middle segment of the intraplate Yanshan orogenic belt are described.
阐述了分布于燕山板内造山带中段的近东西向中生代右行走滑构造系统的几何学与运动学特征。
In this paper, the existence theorem of midpoint chord of quadratic curve, as well as its proof, is given via methods of projective geometry and polarity principle.
文章利用射影几何方法及配极原理给出二次曲线中点弦存在性定理的证明。
The magnitude of the maximum value, as well as the time to reach such maximum value, varies with geometry and surface heat-transfer coefficient.
最大值的及达到此最大值的时间均随几何形状和表面热传导系数而变。
It can uncover inherent nature of geometry, mechanics, kinematics as well as other subjects.
用它可揭示几何学、力学、运动学和其他学科的内在本质属性。
The classification for the service of oil and gas exploration should focus on how reservoir have been formed, what geometry features they have as well as what location features they have.
认为为油气勘探服务的分类应着眼于油气藏的形成原因、几何特征及其位置特征。
Method plane analytical geometry is utilized to carry out 3d design with ZD plane map under various well conditions.
方法利用平面解析几何的方法研究不同井况条件下，用二维平面图完成三维设计的问题。
Proposed that a metal cutting database is basically composed of databases of cutting data, tool geometry angles, cutting fluid and unit cutting power. Relation models of them are presented as well.
提出由切削用量库、刀具几何角度库、切削液库和单位切削功率库基本构成金属切削数据库，给出了它们的关系模式。
The methods used in this dissertation include matrix, algebra as well as differential geometry theory.
本文采用的研究方法有矩阵方法，代数方法和微分几何理论。
The minimum convex closure is one of the widely studied problems in science of computing geometry, as well as extensively applied in many fields of GIS.
最小凸包是计算几何中得到广泛研究的问题之一，在地理信息系统中也有着广泛应用。
It has been shown, that the slab geometry solid-state lasers offer the possibility of achieving the kilowatt power level as well as having good beam quality.
分析表明，板条状几何结构固体激光器提供了达到千瓦级功率水平同时又保持良好光束质量的可能性。
For general nonlinear control systems, it is well-known that the differential geometry method is a type of classical method to realize local stabilization.
众所周知，对于一般非线性系统的控制。微分几何法是实现局部镇定的经典的方法。
During drilling horizontal well, usually adopt geometry steerable drilling technology to increase the penetration rate of borehole track in oil reservoir.
在水平井钻井中，通常采用地质导向钻井技术来提高井眼轨迹在油层中的穿透率。
The influence of the mass geometry and the spin rate of the satellite, as well as the geometry and the stiffness of the booms on the attitudes…
文中还讨论了卫星的质量几何和自旋速度，以及挠性杆的几何和弹性性质对姿态稳定性的影响。
The key technique in a numerical simulation of the metal forming process is the mathematic representation of dies and dynamic forging geometry as well as the generation of meshes.
金属成形数值仿真技术的关键是对模具及动态变化的锻件构形进行数学描述和网格自动生成。
To provide the description work of the geological markers that can be combined with well-logging correlation to understand and gain insights into the geometry and lateral continuity of the coal seams.
通过对地质标志层的特征描述并结合测井资料所做的地层对比，进而深入了解了该区煤系地层的横向展布格局。
This article has described the hardware design of the computer control system for the welds geometry during the process of SSAW as well as its software development.
介绍了螺旋埋弧焊过程中焊缝几何形状计算机控制系统的硬件设计和软件实现方法，并对预测焊接工艺参数的专家系统进行了测试。
This article has described the hardware design of the computer control system for the welds geometry during the process of SSAW as well as its software development.
介绍了螺旋埋弧焊过程中焊缝几何形状计算机控制系统的硬件设计和软件实现方法，并对预测焊接工艺参数的专家系统进行了测试。
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