学好平面几何是学好立体几何的基础。
Learning plane geometry well is the foundation of learning solid geometry well.
立体几何图形取样序和取样中心理资源分配的研究。
Sampling order and mental resource distribution during the sampling processing of the 3-dimension figures.
本部分还讨论了巧用向量来解决平面和立体几何的问题。
This part also discuss how to use vector to solve plane and three-dimensional geometry problems.
作者提出了空间解析几何与立体几何教学结合的一种新观点。
The author has Put forward a new viewpoint on the combination of teaching space analytic geometry and cubic geometry.
第四部分是高中数学立体几何教学中问题情境创设的策略探索。
The fourth part is problem situation created by the Strategies in the senior middle school math Solid Geometry Teaching.
直线与平面是中学立体几何基础理论部分,也是教学中的重点与难点。
Straight line and plane are two basic concepts of geometry; they are also two special difficulties in the teaching of solid geometry in middle schools.
迹线的产状实质上是空间二斜面相交线的产状,属于立体几何学等数学范畴。
The trace occurrence is substantially the occurrence of intersection line of two oblique planes in space, which belongs to the mathematics field of solid geometry.
立体几何图形和人脸部图形的取样序有按取样信息特征差异度进行排序的趋势。
The sampling order of both 3-dimension geometric figures and facial figures were arranged by the degree of the difference among the sampled-features.
论文摘要文章分析了《高中课标》和《高中大纲》在“空间向量与立体几何》的异同。
This article analyzed the same aspects and the differences of the standards and the syllabus in cubic vectors and solid geometry.
提出了根据空间立体几何原理对桶形基础平台进行桶基安装误差测量并保证安装精度的方法。
Based on the theory of solid geometry, a survey method to measure the bucket foundation installation error and ensure the installation precision is presented.
立体几何图形的取样策略研究中,被试的首视点落在轮廓部位的概率最大,落在重心的概率极小。
For the 3-dimension geometric figures sampling, the first sampling-position was most likely located at the outline parts of the figures, and rarely at the center of gravity of the figures.
欧几里德从10个公理和假设中演绎出465个公理或命题,涉及了平面与立体几何图形各方面。
From 10 axioms and postulates, Euclid deduced 465 theorems, or propositions, concerning aspects of plane and solid geometric figures.
目前,在实际生产单位所采用的储量计算方法主要是基于立体几何的传统方法,即剖面法或地质块段法。
The reserve calculation methods used in the production units at present are mainly the traditional ones based on solid geometry, namely cross-section method or geological block method.
在解答立体几何问题时,若能把立体几何问题转化为空间向量的运算,解答起来会收到事半功倍的效果。
When solving a solid geometry problem, if we transform the problem into space vector, we shall get twice the result with half the effort.
立体几何是高中数学教学的重要内容,无论是《大纲》还是《标准》中,立体几何的教学重点都是帮助学生逐步形成空间想象能力。
The key to this goal is to help students establish the concept of space and to train and improve their space imagination .
结合施工实际,为保证多面土体的准确形成,应用立体几何确定其各条交线的空间位置,并推导出在任意情况下交线平面位置的关系公式和交线坡比。
Connecting with the practice of construction, the method was used to learn the space location of each separate line which was to ensure the accurate formation of multi-surface earth.
通过分析mcnp中子学模型文本描述和构造立体几何表示法的关系,指出从构造立体几何表示法到CAD模型的转换是MCNP中子学模型可视化的关键所在。
Analysis on the relationship between the text description of MCNP neutronics model and the CSG shows that the conversion from CSG to CAD model is the key issue of the visualization.
除了深、大断裂等复杂断层以外,研究一般断层都需利用岩层、岩脉等各自的迹线。迹线的产状实质上是空间二斜面相交线的产状,属于立体几何学等数学范畴。
The respective trace of rock bed, vein must be utilized usually in the study on a fault except the complicated fault, such as deep and big fault.
除了深、大断裂等复杂断层以外,研究一般断层都需利用岩层、岩脉等各自的迹线。迹线的产状实质上是空间二斜面相交线的产状,属于立体几何学等数学范畴。
The respective trace of rock bed, vein must be utilized usually in the study on a fault except the complicated fault, such as deep and big fault.
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