查询词典 datum plane

By three-dimensional nonlinear finite element method, the breaking mode and stability of 3B dam block of Baise RCC gravity dam is studied, and the breaking mode and stability safety factor of the 3B dam block on a datum plane with steep slope are figured out corresponding to overload method and synthetic method respectively.

采用三维非线性有限元法，对百色RCC重力坝 3B坝段进行破坏模式及稳定性的研究，确定出含陡坡建基面 3B坝段在超载法和综合法下的破坏模式及稳定安全系数。

The recognition of datum plane cycle is the basis of high resolving power of sequence stratigraphy, because the formation of sequence and superimposed styles of inner sequence are controlled by datum plane cycle.

基准面旋回控制了层序的形成及其内部地层的叠加样式，因此，基准面旋回的识别是高分辨率层序地层学分析的基础。

Datum plane including the plane, side, and face.

基准面包括平面，侧面和端面。

Instead of using the middle-plane as the datum plane, the surfaces of the cavity are used as datum planes in this paper.

通过实验验证了这种表面模型能够处理由流行 CAD系统生成的复杂型腔模型

It is important and difficult for isochronous correlation datum of fluvial facies stratum in exploration and development of petroleum, while high resolving power of sequence stratigraphy based on the datum plane cycle is an additional feasible technical method for it.

河流相地层的等时对比一直是油气勘探开发的重点和难点，而基于基准面旋回的高分辨率层序地层学则为此增添了行之有效的技术手段。

Establishing datum plane is the base assessing surface parameter. It is important to set up perfect datum plane in engineering measurement as well as geometry parameters' shape and positional error inspection.

基准平面的确立，是进行表面参数评定的基础；建立理想的基准平面，在几何量形位公差检测及相关工程测量方面具有重要作用。

It briefly introduces the historical change of Wusong Datum in the Changjiang Estuary region, and analyzes the spatial variations of regional mean sea level and theoretical bathymetrical datum plane in this region.

简要介绍长江河口地区吴淞零点的历史沿革，分析了长江河口地区水域平均海水面、理论深度基准面的空间变化，进而讨论长江河口地区的高程系统。

The medium term and the long term cycles of datum plane are made of symmetry structures by the two half cycles of rising and falling, and the short term cycle of datum plane are divided into two basic types of symmetry and non symmetry.

中、长期基准面旋回由上升、下降2个半旋回构成对称型结构，短期基准面旋回分为对称型和非对称型结构。

Finally this paper achieves a new method about Modeling and simulation of the liquid cargo tank. 3 The calculation of tank capacity based on UG/CAD modeling is studied in this paper . The calculation datum point is gotten by interposition of ship hull at first. Then many datum plane that go through different sounding and heel is created . The cad modeling of oil is created by the bool of the datum plane and the cad modeling of tank.

在使用UG建立准确的计量舱满舱CAD模型的基础上，采用插值得到计量舱计量基准，根据不同测深和不同纵倾值，建立一系列计量液位面，计量舱满舱CAD模型和计量液位面布尔运算后得到实际油液的CAD模型，通过计算油液CAD模型的体积，实现对计量舱容积的计量。

The vertical axis of the switch has a surface of positive first differential, comprised of splines drawn between points if varying distance from a datum plane, and has along the horizontal axis a surface of a positive first differential and negative second differential, comprised of a combination of splines drawn between points of varying distance from the datum plane.

开关的竖直轴线的表面具有正的一阶微分，其由多个在离基准平面不同距离的点之间绘制的样条构成，并且沿水平轴线具有一个表面，该表面具有正的一阶微分和负的二阶微分，其由一组在离基准平面不同距离的点之间绘制的样条构成。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。