面向

According to analyzing features of multiformity and dynamic variability for designing and manufacturing knowledge of mechanical products under network environment,the 4-dimensional information model of product lifecycle-oriented information resources is presented in this project, and it is extended to become a product multidimensional information model with production data formation process.

本项目在对网络环境下机械产品设计制造知识的多样性和动态变化性特征分析的基础上，提出了面向产品全生命周期的4D信息模型，并将其扩展为一种以产品数据形成过程为核心的多维信息集成表述模型。

The real-time compution of FFT with high-speed and large capacity of data flow can be realized by parallel data processing or multilevel pipeline processing.

面向高速、大容量数据流的FFT实时处理，可以通过数据并行处理或者采用多级流水线结构来实现。

A pen/speech multimodal interaction system for children is designed and implemented in this paper.

设计和实现了一个基于笔和语音的面向儿童的多通道三维交互系统。

On the design of algorithms, a novel exact hierarchical delay analysis method for general circuits is proposed; based on the sensitization theorem for sequential circuits, an exact minimizing clocking method is proposed; based on Boolean process, a waveform simulation method considering interconnecting delay for logic circuit and a parallel waveform simulation method are proposed; a new method that transforms bit-level waveform polynomial to word-level polynomial model is proposed; a multiple valued synthesis algorithm based on multiple valued Boolean process and a wire-centered delay synthesis policy are proposed, in which timing planning, floorplanning, wire planning and optimal clock skew in early design are considered; a two-layers channel routing method for minimizing crosstalk under grid mode is proposed; based on the transition numbers theorems for waveform polynomial, a new method for generation of test with noise effects is proposed.

算法设计方面，提出了一种精确的通用电路层次化延时分析方法；基于时序电路的敏化定理提出时序电路最小时钟周期精确确定方法；提出基于Boolean过程论的考虑互连延迟的逻辑电路波形模拟方法，在分析了波形模拟适合并行化基础上，进一步提出一种并行波形模拟算法；提出一种将位级电路波形多项式描述转化成字级多项式描述的新方法；提出一种基于多值Boolean过程的多值电路综合算法以及一种将前期设计定时规划、前期设计的布局规划和线网结构化方法及低偏移的时钟分配等技术相结合的面向互连延时的综合策略；提出一种串绕最小化的网格模式下的双层通道布线方法；从波形多项式描述跳变数的定理出发提出了一种考虑噪声效应的测试生成新方法。

The goal of throughput-oriented multiprocessing is to obtain high throughput at minimal computing cost.

面向生产量多处理器系统的目的是耗费最小的处理成本来获取最高的生产量。

X4 D The goal of response-oriented multiprocessing is to minimize system response time for computational demands.

面向响应时间的多处理机系统的目标是使完成计算所需的系统响应时间最少。

Methods The design of the measurement and control system of multipurpose water tunnel is introduced in this paper, including system structure and technical features.

系统的设计运用现代控制理论和测试技术，采用双闭环控制结构和面向对象的方法进行系统开发。

Combining with the object-oriented design method, the design of the multitask system is simplified in a large extent.

结合面向对象的设计方法，使多任务系统的设计大为简化。

Through the studying of the system's crucial technology, adopting the technology of Object Oriented method, this system finally comes true the following function: owner login, video playing, multiwindow display and so on.

通过对论文关键技术的研究实现，采用面向对象的技术，使系统实现了用户登录，视频播放，多画面播放界面等功能模块。

Face the media player and the mobile phone that can broadcast music and video chip market that holds facility to be in high speed to develop level at present.

面向媒体播放器和能够播放音乐和视频的手机等手持行动措施的芯片市场今朝正处于高速成长阶段。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。