高等技术

It prepares information kits of literature with many and Embden Meyer bof parnas pathways,and provides indemnity in literature information for higher polytechnical education.

在转变教育职能和更新教育服务观念的今天，研究图书馆资源建设，更好地为高等职业技术教育服务，是职业技术学院图书馆当前的一项紧迫任

To improve the machining efficiency and precision of convex screws,a new method was put forward for inner whirlwind NC enveloping milling of screw curved surface.

为提高凸螺杆的加工效率和加工精度，将具有切削平稳、效率高等特点的传统旋风铣削技术与具有轨迹控制灵活等特点的数控技术相结合，提出了内旋风数控包络铣削螺杆螺旋曲面的新方法。

Analyse the status of the charge collection system of the motorways and indicate its demerits. Introduces core of AVR single chip ATmega128, Use unconnect card collection system of highway, Given hardware design, Compile collection software based on database and VB. Achieve communication with epigyny computer. Lastly analyse IC card collection safety. It simulate collection from Xi'an to Tongguan. Experiment attest high efficiency, rapidness and safety.

分析了当前高速公路收费系统的现状，指出了其存在的不足和缺陷，提出了以AVR单片机ATmega128为核心处理器，采用非接触式IC卡技术的高速公路收费管理系统；给出了系统的硬件设计，同时基于数据库技术并采用VB编写了收费系统软件管理系统，并实现了与上位机通讯，最后分析了IC卡收费系统的安全性措施；该收费系统模拟了西安至潼关的高速公路收费，实验证明该系统具有收费效率高，放行速度快，安全性高等特点。

I-cell liquid crystal technology provides superior performance through fast switching, high extinction ratios, and a wide viewing field. As a result, the image quality is a flicker-free, high contrast display. The pi-cell technology is used in both active and passive stereoscopic display systems.

-单元液晶技术提供了卓越的性能，具有快速切换、高消光率、和宽视域等特点，确保了图像的高品质，具有无抖动、对比度高等优点。P单元技术对主动和被动立体视觉显示系统都适用。

4Training the hygienic and technical personnel, carrying on training improvement for all levels and various kinds of hygienic and technical personnel, undertaking the teaching task for a certain middle and high medical universities and helping basic-level hospital to train technology backbone.

培训卫生科技人员，对各级各类卫生技术人员进行培训提高，承担一定的中、高等医学院校的教学任务，帮助基层医院培训技术骨干。

The design changes the traditional inefficient and high-cost de-sign in signal acquisition and transmission with using a real-time acquisition of DVI display signals and transferring data through the Ethernet port.The design uses a highly integrated FPGA and high-capacity SDRAM,multiplexing of signal package to transfer display data and control data,and efficient algorithm for gray-scale slice as well.It has the features of low cost,large display area,stable display,and high refresh rate.

该设计改变传统设计中低效高成本的信号采集和传送方式，改用实时采集DVI接口显示信号、通过网口传输数据，采用高集成度FPGA和大容量SDRAM，采用信号包复用技术同步传送显示数据和控制数据及高效率的灰度切片算法等新技术，具有成本低、显示面积大、显示稳定、刷新率高等特点。

CIT-2000SMP portable fluorescence analyzer can ore, concentrate on-siteRapid analysis, external cooling, semiconductor or proportional counter of the two probes, to meetThe mining, and mining sector to higher accuracy of portable analyzer requirements.

CIT-3000SMP便携式X荧光分析仪是集当今最新电子技术、计算机技术和核分析方法于一体，具有微机化程度高、人机界面友好、分析精度高、分析速度快、性能价格比高等特点，成为相关企业进行生产控制和科学研究的首选设备。

The working mechanisms and process characteristics of the supersonic speed airflow grinding technology are reviewed.

超音速气流粉碎技术作为一种新型的材料深加工技术，具有无污染、耐热敏性、精度高等工艺特点，这使得其应用研究领域不断拓宽。

Staring uncooling FPA detector ,advanced signal-processing technology, componented module design technology are adopted to or integrated into this system with the feature of small volume,light weight,low consumption and high reliablity.

采用凝视型非制冷焦平面探测器、先进的信号处理技术、组件化模块设计技术，具有体积小，重量轻、功耗低、可靠性高等特点，适用于公安、边防、重要设施及场所昼夜监控、森林防火、工业检测等领域。

In summary, the work in this dissertation has solved several hard problems (including low compression rate, bad compression quality, and moderate coding efficiency, etc. under the condition of low band-width) of image compression coding in the data link of flighting control of cruise missiles, and provides a foundation for transferring high quality images instantly in man-in-the-loop control of the cruise missile.

总之，本文的研究工作在一定程度上解决了面向巡航导弹飞行控制数据链的图像压缩编码技术中存在的低带宽条件下，压缩率低，压缩质量差，编码效率不高等难题，为实现巡航导弹人在回路控制中实时的、高质量的图像压缩编码奠定了技术基础。

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。