The Research of MAC Protocol for Wireless Data Communication Network

'Big Mac' is McDonald's best-known trademark.

“巨无霸”是麦当劳最著名的商标。

Were you one of those despicable spies who tried to steal... my life's work and sell it to parasitic, copycat, candy-making cads?

你是爱剽窃别人的糖果商雇来的间谍…偷走我毕生的心血卖给人家的人吗？

So* are all men just pushy cads?

那么，是不是所有男性都如此不绅士呢？

Form recently ten years, Computer Assisted Stereotactic System ( CASS) and Computer Assisted Design& Simulation System ( CADS) has come into being, with the developing and interactive infiltration of medical three dimension image and computer technique.

近十余年来，医学三维影像技术与计算机科学技术迅猛发展并相互交叉渗透，产生了计算机辅助立体定向导航系统、计算机辅助手术设计模拟系统（CADS）。

So... are all men just pushy cads?

所以，所有的男人都这么有好胜心吗？

Two cases of fixture design show that the fixture feature coding sytem and the index strategy proposed in this paper are reasonable, and the CADS for slot-based modular fixture developed in this paper is also reliable.

以两个典型零件为例，以夹具CAD系统自动设计结果进行实体装夹，满足加工要求，证明本文提出的夹具特征编码系统、检索策略与算法可行，研发的槽系夹具CAD系统功能可靠。

This is the first time that the CADs in liverworts have been functionally characterized. This study provided two candidate genes to improve the lignin content through metabolic engineering, and it also would contribute to understand the evolution and origin of lignin.

这是第一次研究非维管植物中的肉桂醇脱氢酶，本研究为通过代谢工程手段提高木质素含量提供了两个候选基因，同时有助于理解木质素的起源和进化。

Maintainability design; CAD platform; Reasoning method; Support function;

维修性设计；CAD平台；推理方法；支持功能；

Technique of Fabric Simulation and Development of CAD System

织物仿真技术与CAD系统的开发

Research and Development of CAD Application Software Systems for the Design of China's Rolling Stock

我国铁道车辆设计CAD应用软件系统的研究与开发

Investigation on the CAD Modelling Method for Ideal Functional Material Components

理想材料零件的CAD模型研究

CAD and design of dynamic simulation system for stress shearing dies

应力法剪切模具CAD和动态仿真系统的设计

Parameter Calculation Based on ISO Standard for Belt Conveyor CAD System

带式输送机CAD系统中基于ISO标准的参数计算

Research and Implementation of an Object-oriented CAD/ CAM System

面向对象的CAD/CAM系统的研究与实践

The Application CAD System Transfers the Auto CAD and Other System

应用CAD系统调用AUTO CAD及其它系统

On the reference model in CAD system of die structure and relative technology

冲裁结构CAD模具设计模型及相关技术

Research on management for drawing database in collaborative CAD system

协同CAD系统中图档数据管理研究

Modern CAD and related technique and method

现代CAD及相关的技术和方法

Research on the integrated intelligent die CAD system

集成化智能模具CAD系统研究

The study and realization for distance CAD drawings management system

远程CAD图纸管理系统的探讨及实现