She went to museums that have suggested donations, not a fixed admission price.

Double negatives are usually associated with regional and ethnical dialects such as Southern American English, African American Vernacular English, and various British regional dialects.

ɪˈtoʊti:z]。而英文中如果讲double negative，指的是双重否定加强否定的情况。很多人认为这是错误的做法。双重否定通常与区域和民族方言有关，如南美英语，非裔美国人英语和各种英国地区方言。

African American Vernacular English has distinct and systematic features and has been a unique variety of English.

黑人英语在语音、语法和词汇方面具有鲜明而系统的语言特征，已成为一种独特的语言变体。

Expressions of African American Vernacular English in the Speech of Classical African American Motion Pictures

美国经典黑人电影对白中黑人英语的表达方式

Positive Impact of the Civil Rights Movement on the Development of African American Vernacular English

美国黑人民权运动对黑人英语发展的积极影响

This paper begins with the origin of African American vernacular English, then analyses the features of Black English, and probes into the relationship between language, race and social class.

挖掘美国黑人英语的起源有助于分析美国黑人英语的诸多特点，然后探究黑人英语与种族和社会阶层的关系。

Its pedagogical value to Standard American English can be understood in several senses: 1st, AAVE can be a bridge between new information and already known information;

作为标准美国英语的教学桥梁，笔者认为可以从三个方面来理解黑人英语的作用：第一，黑人英语可以成为黑人学生已有知识向新知识过渡的桥梁；

Determines how the bounciness is combined.

决定弹力是怎样组合的。

Physics material describes how to handle colliding objects ( friction, bounciness).

物理材质描述，如何处理物体碰撞（摩擦，弹性）。

Introduces the characteristics and realization ways of interactive multimedia virtual-reality general instruction system which is a scientific research project supported by Ministry of Education of Liaoning Province.

介绍了省教育厅科研项目交互式多媒体虚拟现实通用教学系统的特点和实现方法；

The Interactive Synchronism Model of Multimedia System

多媒体系统的交互式同步模型

We can develop interactive multimedia works with system functions and variable of Authorware. This article gives a way to use these functions to program a calculators, and gives the development process and its detailed steps.

分析了利用Authorware强大功能的系统函数结合变量，开发出优秀的交互多媒体作品，讨论了使用这些函数和变量编写计算器应用软件的方法，并给出了开发的流程及其具体的实现。

Study on Real Time Coordination Mechanism for Distributed Interactive and Cooperative Multimedia System

分布式多媒体交互协作系统中实时协调机制的研究

This paper introduces the design of a new large screen interactive multimedia display system, visitors watching the screen at the same time, can effectively participate in human-computer interaction, greatly aroused the enthusiasm of the visitors, visitors to display content more impressive.

本文设计了一种新的大屏幕多媒体互动展示系统，参观者在观看画面的同时，能够有效的参与人机互动，极大地调动了参观者的积极性，参观者对展示的内容印象更深刻。

The research group eventually achieves the research goal by developing an immersive and interactive multimedia display system, which can bring the audience an immersive experience by innovatively controlling the edge-blending of eight-channel projection system in giant ring screen.

课题最终开发出具有沉浸感、交互性好的多媒体展示系统，创新性的使用硬件拼接融合技术在巨型环幕上实现了八通道投影系统的边缘融合控制，达到了预期研究目标。

K8 Jet Trainer Interactive Multimedia Instruction System

K8教练机交互式多媒体教学系统

Application of Microscopic Image Analyzer in the Multimedia Teaching of Morphology& Introducing an Interactive Multimedia Teaching System on Local Area Network

显微图像分析仪在医学形态学教学中的应用&介绍一种局域网的多媒体互动教学系统

The overall design of interactive multimedia system includes the design of Lower Computer platform and the design of Host Computer software platform.

交互式多媒体系统的总体设计包括下位机平台的设计和上位机软件平台设计两部分。

A new multimedia synchronization model, the Interactive Multimedia Dynamic Synchronization Petri Nets Model, is proposed.

本文提出了一种新的多媒体同步模型&交互式多媒体动态同步Petri网模型（IMDSPN）。

The Developing Techniques of Interactive Multimedia CAI

交互式多媒体CAI开发技术

Design of Interactive Multimedia CATV Network

交互式多媒体CATV网络的设计