From the actuality of collaborative learning , this paper points out the problem of the present collaborative learning and analyzes the purpose and significance of investigating collaborative learning , then puts forward classroom collaborative learning pattern based on network and particularly expounds the design process of the pattern 文章从协作学习的现状入手，指出了目前协作学习存在的问题，并且仔细分析了进行协作学习研究的目的和意义，在此基础上提出了基于网络的班级课堂协作学习模式，并对该模式的过程进行了精心的设计。
Adaptive modulation mainly include several problem for example signal shape , channel estimation , all digital receiver and so on . since the channel referring to adaptive modulation is very hostile in wireless transmission channel , its algorithms and architectures used for the modulation and demodulation should be carefully devised and considered . designing appropriate algorithms and architectures of the adaptive modulation are main research goal of this paper to meet the need of flat fading channel and selective fading channel 自适应调制技术主要包括信号成形、信道估计和检测、全数字接收等方面的问题，由于自适应调制所涉及的信道是非常恶劣的无线传输信道，其调制与解调的算法和结构必须加以精心的设计和考虑，针对具体所假设的平衰落和选择性衰落的无线信道情况来设计自适应调制系统的算法和结构是本文研究的主要方向。
Furthermore , the makeup of the faculty plays a critical part in the success of jin cai high school . faced with new situations and opportunities , jin cai high school continuously strives to better its quality , to have a progressive viewpoint , and to gain more trust of the students and of the community at large . this article suggests that the school administrators should reflect on their former experiences and lessons learned and foresightedly apply this knowledge for the benefit of the school 面临新的形势、新的机遇，进才中学如何树立更高的品质、更好的形象，更加赢得社会各界的信赖，本论文通过探讨与研究认为：除了进才中学的管理者必须要有超前的思想和精心的设计外，还应结合中学教师专业素养的结构、内容、培养方法及现代人力资源管理理论，必须对进才中学教师队伍建设的经验与教训进行反思，根据现代教师教育理论及进才中学进一步发展的要求，对其教师队伍的建设工作提出了自己的5点思考。
In many years struggle and the development course , karsd takes along - range approach , to receive " with the heart which feels grateful is the person , with loves newly working industry " principle , frequently is grasping the market pulse , excavates the market to sell the spot , creates the market the hot spot , through the careful design and the idea , the product throughout produces in the time front row , eagerly anticipates is living at home the expense new fashion 在多年的奋斗和发展历程中，卡尔斯丹高瞻远瞩，秉承“用感恩的心做人，用爱心做事业”的原则，时刻把握着市场脉搏，挖掘市场的卖点，创造市场的热点，通过精心的设计与构思，产品始终产在时代的前列，引领着家居消费的新时尚。
After that , according to the technical features of tms320 dm642 dsp , we elaborately design the program flow and data flow of the encoder . we make use of dma to transfer data to alleviate the burden of dsp core . further more we utilize many code optimization techniques to take full advantages of the parallel computation units 之后通过分析ti公司的tms320dm642dsp的技术特点,对编码器的程序流程和数据流进行了精心的设计,采用了dma传输数据以减轻dsp内核的负担,而且采用了多种程序代码级优化方法来充分利用dsp内核的并行计算单元,提高程序的运行速度。
On the consideration of both teachers and students , it offers a multimedia courseware based on constructivism teaching theory , which serves as a guide in < wp = 5 > teaching and learning mineralogy through deliberate design and accurate expression . the system will be valuable in mending the exiting teaching pattens which offer only courseware and sometimes even do n ' t serve teaching at all 从教师和学生两个方面考虑，进行精心的设计，以准确的表达方式，推出基于建构主义教学理论的《矿物学》多媒体课件，指导教师和学生有效利用《矿物学》多媒体课件系统进行教和学。
In hardware design , the intactness of the camera ’ s original structure has been maintained to the very extent , the facility of assembling and disassembling devices have been achieved . the remote control has been realized by the separation of active devices from passive devices . in software design , vc + + , keil c51 and matlab are employed , bringing an easy way to communicate with the system 在硬件设计方面,最大限度地保证了相机原始结构的完整性,并且保证了器件易安装易拆卸,有源无源器件的分离更实现了远距离控制;软件设计方面,选用了vc + + 、 keilc51和matlab ,通过精心的设计合理地实现了人机对话。
Companies with " unity and pragmatism , innovation , development , " corporate purposes , market - oriented , efficiency , and to talent as a fundamental , actively participate in market competition , and constantly improve the internal management mechanism , strengthen the safety and quality of work , careful design , strict construction , excellent quality , rapid speed , good service won the majority of customer trust and praise 公司以“团结、务实、创新、发展”为企业宗旨，以市场为导向，以效益为中心，以人才为根本，积极参与市场竞争，不断完善内部管理机制，强化安全质量工作，以精心的设计、严格的施工、优良的质量、迅捷的速度、周到的服务赢得了广大客户的信任和好评。
The design mainly receive world fashion tendency and the material is mainly chiffon , cotton and woolen fabrics that are imported from korea , japan , italy and etc . countries and other imported popular material and accessory . as for color , it is mainly black , white and grey . with elaborate design , reasonable tailoring , meticulous workmanship and strict , perfect and efficient sale configuration and service support system , we strive to make each dress become classics , and show the noble and elegant style of jubilee entirely 设计主要秉承世界流行趋势，以韩国日本意大利等国进口的雪纺棉羊毛面料及进口时尚流行面辅料为主，色彩方面主要选择黑白灰色为主，以精心的设计，合理的裁剪，精细的做工及严谨完善高效的营销架构与服务支持体系，力求使每一款服饰都成为经典，全面彰显jubilee禧年高贵典雅的风范。
