top-down是什么意思

网络释义

用法例句

With the media player program as an illustration,a step-by-step,bottom-up approach to singlechip programming was introduced.

文章以单片机音乐播放程序为例,介绍一种以最简化核心程序为起点,逐步增加程序功能与难度的自下向顶单片机编程教学方法,尤其适合于高职高专学生单片机课程设计与毕业设计等编程教学。

Aimed at the drawbacks of bottom up product design process in traditional 3D CAD tools, a top down 3D Feature Modeling method was presented.

针对现有三维CAD工具在自底向上产品设计建模方面存在的不足 ,提出了自顶向下的特征建模方法 ,包括六个层次 ,即功能层、概念设计层、装配层、零件层、特征层和B rep层 。

By attaching constraints to virtual part, top down design and concurrent design are well supported in this model.

通过对零件拓扑面建立编码 ,提出了虚拟零件和虚拟元素的概念 ,建立了虚拟零件模型 ;根据虚拟零件的特性构建了基于虚拟零件的装配模型 ,把约束信息附着在虚拟零件上 ,使得该模型可以很好地支持自顶向下设计和并行设计 。

To meet the need for concurrent engineering, this paper puts forward a top down assembly modeling method and introduces an assembly modeling system for gear box (GBAMS) developed by using top down method.

为适应并行工程对产品装配建模系统的需要，提出了将产品装配建模过程作为一个智能设计过程，以自顶向下的方式建造产品装配模型的方法，并介绍了用该方法开发的变速箱装配建模系统（ＧＢＡＭＳ）。

The Design of Rear Seal for Crankshaft Pressing Device Based on Top-down Technology;

基于自顶向下的曲轴后油封推装装置的设计

Virtual Assembly Design Based on Top-down Method;

自顶向下的虚拟装配设计

According to VHDL of Top-Down Design Method for Digital System;

基于VHDL的自顶向下的数字系统设计方法

error recovery in top-down parsers

自顶向下分析程序纠错

fast-back top-down analysis

快返回自顶向下分析

modified top-down testing

改进型自顶向下测试法

top-down analysis procedure

自顶向下的分析步骤

top-down fast-back parser

自顶向下快速分析程序

Product Top-down Design Based on Parametric Technology;

基于参数化技术的产品自顶向下设计

“Top to bottom”EMC Design Flow for Electrical System

“自顶向下”的电子系统EMC设计流程

Huffman Coding Based on a Top-Down Approach

一种基于自顶向下的哈夫曼编码方法

Top-down design in the development of compressor cleaner

压缩机清洗设备自顶向下的设计方法

Create a frameset with a top-down information hierarchy

创建一个自顶向下信息层次结构的框架集

The Constructing and Application of Top-Down Color Design Model;

支持自顶向下色彩设计的模型构建与应用

Process Modeling and Planning of Top-down Collaborative Assembly Design;

自顶向下的协同装配设计过程建模及规划研究

Top-Down Attention Motivated Research on Perception Model;

模拟自顶向下视觉注意机制的感知模型研究

The Design of Rear Seal for Crankshaft Pressing Device Based on Top-down Technology;

基于自顶向下的曲轴后油封推装装置的设计

The Parametric Design for Main Girder of Chain Block Based on Top-down;

基于自顶向下的起重机主梁参数化设计

A top-down syntax analysis method based on recursion;

一种基于递归算法的自顶向下语法分析方法

Parameterized Molding of Air Nailer with Top-down Design

支持自顶向下设计的气钉枪参数化建模

Variation propagation approach for collaborative top-down assembly design

自顶向下协同装配设计中的变动传播方法