The armor plate is a product of no cutting bits , holding the advantages that being high usingrate , firmintensity , slippery proof , easy to fix , durability and breezy , ectc . it can be used as motoway partition , air field runway and used for mine , dock , working platformand so on 筛网作为一种无切屑产品，其钢板利用率高，强度牢固,具有防滑、通风性能好、施工方便、经久耐用等优点；用于高速公路建筑、大型飞机杨跑道、矿井、码头、工作平台、隔离等。
At the mean time , the building of the system is the fastest and the best convenience . the scdma making use of radio connection technology of scdma have advantage of high radio frequency ratio , good secrecy and long distance of transport under lower transmitter frequency Scdma无线接入通信系统采用同步码分多址( scdma )无线接入技术,具有无线频谱利用率高、通信保密性好和低发射功率下较远的通信距离等技术优势,是一种优秀的无线接入通信技术。
For a long time , fish - like robot always is a research focus on the bionic scientific research field . one of the research branches is fish - like robot that imitates tunny ’ s swimming mode . it has high capabilities of propulsion and high maneuverability 长期以来,仿生机器鱼一直是仿生科研领域的一个研究热点,其中一个研究分支是模仿金枪鱼等?科加新月形尾鳍推进模式的仿生机器鱼,其特点是能源利用率高,推进速度快,适于长时间、大范围的水下作业。
The advantage of the distributed mulitlayer application system architecture is that the system can be maintained and managed easily , the flexibility and expansibility can be added , the security of system can be strengthen , object can be reused , resource using rate is high and the system development rate is high 分布式多层应用系统的优点是：易维护、易管理、灵活性强、扩展性好、安全性强、对象可重用、资源利用率高，而且系统的开发效率高。
Td - scdma can substitute the utra - fdd and combine the advantage of cdma , tdma and fdma . using the technology of td - scdma , the communication system will have a bigger system capacity , the utilization factor of spectrum will be higher and the ability of anti - jamming will be enhanced Td - scdma是中国向itu正式提交的第三代移动通信空间接口标准，可替代utra - fdd的方案，集cdma 、 tdma 、 fdma技术优势于一体，系统容量大、频谱利用率高、抗干扰能力强。
The inverters based on space - vector pwm technique have many good qualities , such as less pulsating torque , higher usage of dc bus voltage , less switching loss , better high - speed regulation performance , so it is applicable for the high - performance motor control system 电压空间矢量pwm技术( svpwm )将逆变器和电动机视为一体，由之控制的变频器具有输出转矩脉动量低、直流电压利用率高、开关损耗小、高速调速性能好等优点，适用于高性能电机调速控制系统。
The cool - beam halogen reflector lamps combined with tungsten halogen lamps and dichroic reflectors . they have the advantages of small size , high beam luninsity but low temperature , excellent color rending , high luminous efficiency long life . a lamp of 50w is equal to a general lighting incandescent lamp of 150w in lighting efficincy . this kind of lamps are suitable for reflection lighting and decorative lighting in display windonws and shop interiors , munseums , exhibition halls 冷反射定向照明卤钨灯泡和介质膜冷反光镜组合而成，具有体积小,光束亮高而温度低,显色性好,光利用率高,寿命长等优点,一只50瓦灯的亮度，相当于一只150瓦普通白炽灯泡的亮度,这种灯适用于商场橱窗、博物馆、展览厅等场合的定向照明和室内装饰照明。
The system can create the charts rapidly , which describe how to split a plate material in optimum way according to the requirements of manufacturing , the user interface is easy and friendly the system can schedule more than ten product parts at the same time and take the vein of wood into consideration o the system can reduce the waste of material , thus improve the utility of material and reduce the production cost as well as a result , the charts meet the requirement from production the chart is easy , clear and in particular the charts can be browsed and printed 本课题模拟企业的生产环境，通过简单、友好、方便的人机界面，迅速成利用率高的下料图。它实现了：十几种零件同时参加排料；实现有纹理、无纹理同时排料；能满足规定的零件之间的配套要求，不产生余料，从而提高其生产率，降低生产成本，获得最大的生产效益。最终的排料图符合生产工艺的需要，直观、清晰和详细，可实现打印和浏览功能。
It has been widely applied in personal communications , mobile communications and the field of broad band wireless access , and it has also been regarded as the main air access of the third generation mobile communications , because comparing with tdma and fdma , cdma has greater system capacity , higher frequency efficiency and stronger anti - interference ability , at the same time it still has the potential of solving the conflict of limited frequency resource and limitless user request 相对于tdma ， fdma等多址技术而言，它具有系统容量大，频带利用率高，抗干扰能力强，保密性能好等优越性，同时还具有缓解有限频带与无线用户需求之间矛盾的潜力，因而在个人通信，移动通信，宽带无限接入领域都得到了广泛的应用，也被普遍认为是未来第三代移动通信的主流空中接口技术。
Recently spread spectrum technique has been used widely in wireless data communication , cellular mobile communication , military communication and telemetry monitor system with resistance to interference , high usage of spectrum , resistance to multi - path fading , so investigators in communications field pay more attention to the technique , especially direct sequence spread spectrum ( dsss ) technique 近年来，扩频技术以其抗干扰能力强、频谱利用率高、抗多径等优越性能在无线数据通信、蜂窝移动通信、军事通信以及遥测监控系统中获得了广泛的应用，并日益受到通信领域研究人员的重视，特别是直接序列扩频技术( dsss ) 。
