Promoted an area question by using of the oriented area concept of plane closed folding and the determinant nature. 利用平面闭折线有向面积的概念和行列式的性质推广了一个面积问题。
For measuring the area of an irregular plane figure. 测量不规则平面图的仪器。
On the basis of aerophotographic mapping in the mountainous area of NanPing, Fujian Province by ultra-light plane, the practical significance of the experiment conducted is presented. 作者在福建省南平山区用超轻型飞机完成的测绘航摄任务的基础上,阐述了开展这项试验的现实意义;
An idea is presented to calculate the MMW PD in the area of the biological sample using the electric field measured in the scanning plane based on the plane wave expansion technique. A method to calculate the MMW electric field via open-ended waveguide measurement is also given. 利用平面波展开技术,提出了通过在扫描平面上测量电场来计算生物样品空间毫米波功率流密度的方法,以及相应的利用开口波导的测量来计算毫米波电场的方法。
The thermal electric generation development and construction project includes long line, narrow plane of line highway construction project and relative concentration, more small area of dot-plane construction project. 火力发电开发建设项目包括线长面窄的线路工程和相对集中、占地面积较小的点面工程。
The Area of a Plane Travelled Over by a Moving Line 平面上运动线段所扫过的面积
A simple method for area measurement of irregular plane object using area array CCD was presented. 文中介绍了利用面阵CCD测量不规则平面物体面积的原理和方法。
On the one hand, at fixing network size NN, there exist an area of big SNR value in the p-C plane. 通过计算发现,一方面,固定网络大小NN时,在p-C平面上会出现一个较大信噪比的区域。
A method for measurement of area and moment of inertia of plane figures grabbed by computer vision system is presented in this paper. 探讨利用计算机视觉系统对目标物体平面图形面积和面积惯性矩的测量方法。
Previously, in "assumed calculation" of extrusion stress of round-head rivet and round hole, it was considered that maximum non-uniform extrusion stress equals approximately to the value obtained from dividing extrusion force by area of diametral plane of round-head rivet or round hole. 在圆钉与圆孔的挤压应力假定计算中,曾认为:以挤压力除以圆孔或圆钉的直径平面的面积所得的挤压应力与理论分析的最大应力大致相等。
The illuminated area as a function of intensity in a plane of the laser beam is analesed. The results are important in determination of the optical sampling volume of laser particle counter. 对在激光平面内,照明面积作为强度的函数进行了分析,这些结论在确定激光粒子计数器的光学采样体积方面是重要的。
Spectral power in detected area of image plane of an image system consisting of a filter 含滤光片的成像系统在像面探测区域内的光谱辐射功率
This paper studies the area of plane closed folding by complex number method and proves several propositions about area of plane closed folding. 运用复数方法,推导、证明了关于平面闭折线面积的几个定理。
High-speed Correction for Distortion in Area Measurement of Object with Irregular Plane 不规则平面物体面积测量中畸变的快速校正
Number and diameter of mean nerve fibre in unit area of transverse plane, diameter of axon and depth of myelin sheath were calculated. 计算横断面单位面积的平均神经纤维个数和直径、轴突直径及髓鞘厚度。
The influences of heave on roll are dependent on the area of water plane, vertical center of gravity, heaving response amplitude and encountering frequency of a ship in terms of the nonlinear static coupling formulae. 垂荡对横摇非线性静力耦合的影响主要取决于水线面面积、重心的垂向位置,以及垂荡响应幅值和遭遇周期。
Formula ( 11) can be for reference to estimate the draft force on unit area of vortex plane. 公式(11)可作预估单位面积涡区下曳力的参考;
In the area measurement of an object with irregular plane using area array CCD, the precision is greatly influenced by image distortion. 利用面阵CCD测量不规则平面物体面积时,图像畸变对测量精度影响很大。
Calculating the crustal thickness in the sea area with the method of compressed-mass plane 用压缩质面法估算海区地壳厚度的几点认识
If the crack is ellipse shaped, the equivalant area is constant, and the distribution function of its major semiaxle and the plane strain fracture toughness of the material are given, then we would get the probability of reliability of the member under the uniform tension. 当内埋裂纹呈椭圆片状且面积保持一定时,由半长轴的随机分布和材料平面应变断裂韧性的随机分布可以得到构件在均匀拉应力下可靠工作的概率。
The area of an irregular plane figure can readily be obtained with this method. 采用该方法可以很容易地求解不规则平面图形的面积。
According to principle of descriptive geometry, the area of plane equals projection of the plane divided by cosine between plane and projection of plane. 由画法几何原理可知平面面积等于其正投影面积乘以该平面与投影面夹角的余弦。
Controlled by the small core area, the anti-shear capacity of plane abnormal joints is rest with concrete strength, size and reinforcement of the small core area. 平面异型中节点以小核芯为控制单元,节点核芯区的受剪承载能力取决于小核芯区的混凝土强度、尺寸和配筋状况。
On Relationship between the Present Stress-field and Seismic Activity of Zhangjiakou Baxia Area& Finite Element Calculation of Plane Stress-field 张家口坝下地区现今应力场与地震活动的关系&平面应力场的有限元计算
It is found that a lot of natural fractures developed in the reservoir of middle Es3 in A area with the features of vertical zoning and plane parting on structure. 发现A区沙三段中亚段储集层发育大量天然裂缝,具有构造垂向上分带性及平面上分片性等特征。
In the area of sand body thickness and the ratio of sand to the distribution in the plane carried out a comprehensive analysis of the law, was divided into underwater distributary channel and diversion in the inter-Wan Microfacies plane. 并对该区砂体厚度和砂地比值在平面上的分布规律进行了综合分析,在平面上将其分为水下分流河道和分流间湾微相。
This has prompted more and more residential area planning design from monotony of plane layout to three-dimensional development. 这就促使越来越多的住宅小区规划设计从单调的平面布局向立体化发展。
Nowadays the study of comfortableness are mostly from the area of vehicles research, and the roads research are only from plane or vertical section to evaluate, but not from the plane and vertical combination to analysis comfortableness. 如今对舒适性方面的研究大都是从汽车方面进行研究的,从道路线形方面的研究也大多是仅从平面或者纵断面来评价,而没有从平纵组合的角度来分析舒适性。