查询词典 boundary surface

It is this boundary-work that makes the typology useful for avoiding extreme technological determinism, social constructivism, and noetic flatness in conceptualizing an artifact's political qualities, and for thinking about how these qualities change through time.

正是这种边界的工作，使避免极端的技术决定论，社会建构主义的类型学有用的，在构思和智力平整度的工件的政治素质，并思考如何通过时间的变化这些素质。

2 ANALYSIS CONDITIONS The behavior of a tyre involves complicated non- linear problems such as geometric,material,and boundary problems.

两种分析的情况：一个轮胎的性能涉及到复杂的非线性问题，例如几何学，材料学和边界问题。

Differential Quadrature Method, one of numerical methods of solving boundary problem of differential equation is introduced in this paper. By using DQM, the dynamic stability of pipes conveying fluid and rectangular plates under the action of non-conservative force is studied. The main research work is as follows.

本文首先介绍了求解微分方程边值问题的一种数值方法—微分求积法，然后采用微分求积法分别对输流管道和非保守矩形薄板的稳定性问题进行了分析研究，具体有如下三方面的研究内容。

The difference equations and the perfectly matched layer absorbing boundary condition equations in the non-inertial frame are given.

将时域有限差分方法用于非惯性坐标系下光子晶体理论研究，给出了非惯性坐标系下的差分方程和理想匹配层边界条件。

The series solution for boundary value problem of nonhomogeneous harmonic equation with variable coefficient is obtained.

使变系数非齐次调和方程边值问题的求解有了新的进展。

The method is convenient to be used, especially to nonhomogeneous equations and nonhomogeneous boundary value problem.

用微分算子法给出了线性扩散方程和波动方程的通解及初值以及边值相关问题的算子解，特别是对非齐次方程和非齐次边界问题处理尤其简捷适用。

The original optimal control problem is transformed into a sequence of nonhomogeneous linear two-point boundary value problems.

研究状态变量含有时滞的线性离散系统在正弦扰动下的前馈－反馈最优减振控制问题。

The sample of nonleaded freeutting brass containing silicon is observed with electron microscope, we find that there is a clearance in the boundary between basal part?P phase and second phase particle?

将合硅的无铅易切削黄铜试样置于电子显微镜下观察，发现第二相质点γ相与基体β相的交界处有一间隙，说明基体与第二相质点间并未紧密结合。

The ALE(Arbitrary Lagrange-Euler)boundary element method is used for dealing with nonlinear sloshing problem(nonlinear oscillations of a liquid in a container subjected to forced oscillation).

摘 要 利用ALE(任意的Lagrange-Euler)边界元方法数值求解了具有自由液面的非线性晃动问题，即受外力激励下流体的非线性振动问题。

The purpose of Chapter 4 is to study the solvability of multi-point boundary value problems at resonance, and establishs some existence theorems under nonlinear growth restriction. Our method is based upon the coincidence degree theory. In Section 1, we consider the same sign case, and in Section 2, discuss the non-same sign case.

第四章研究了具共振条件下二阶非线性微分方程多点边值问题解的存在性，通过使用重合度理论和一些分析技巧，建立了一系列解存在的充分条件，其中在第一节考虑了同号情形，在第二节考虑了异号情形。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。