精度

In this paper are analyzed the principle and use of target angular velocity sensor ,and the target s moving.

针对坦克火控系统中目标角速度传感器的原理和运用与目标实际运动情况分析，阐明了传感器测量目标角速度的误差原因，并给出提高测量角速度精度的措施。

Simulation results show that the algorithm is effective to improve the angular accuracy.

仿真结果表明该算法可大大提高单脉冲雷达的测角精度。

Finally, the concept of angular distorton measurement and the a...

最后提出角畸变测量的概念及提高测量精度的途径。

The simulation results showed that the new algorithm had good potential in target discrimination and angular tracking accuracy.

仿真结果表明，该算法具有较优的目标分辨能力和角度跟踪精度。

As one of Form-Position Errors, Positional Error does not only control single item but also Form Errors such as perpendicularity, parallelism, angularity, straightness. This paper studies the theory and technique of Error Separation.

在形位误差中位置度误差在控制单个要素或成组要素位置精度的同时，还综合控制了垂直度、平行度、倾斜度、直线度等误差项目，因此本论文重点研究讨论误差分离理论和分离技术在位置度误差评定中的应用。

The main drum of running accuracy directly affects the business card printing and membership card production quality is good or bad, is-no instilla overprinter, reseaus, coloring anisotropism has a direct relationship.

主滚筒的运转精度间接感冻到制卡和会员卡制作质量的短长，差于是-非会不销生套印、网纹、着色不平衡有着间接的干系。

The aluminum groove used for heat dissipation is extrusion molding by 6030 aluminum ,and through anodize precessing technic ,with scientific struction for heat dissipation design ,which can solve the problem of heat dissipation efficiently , and can longer the life-span of LEDs , In addition ,the driver power utilize constant current IC driver ,which can asure the precise of power output and the stability during the couse of using .

散热铝槽采用6063铝挤出成型，经过阳极氧化等加工工艺处理，加上科学的散热结构设计，有效解决灯管散热难的问题，大大提高 LED 使用寿命。驱动电源采用恒流 IC 驱动方案，电流输出的精度高，确保 LED 使用的稳定性。

The mechanical property testing shows that the seamless PLLA tubes perform excellent radial strength,which indicates that the mechanical properties of biodegradable stents made of these tubes was supposed to be excellent.PLLA and its composites were first used in preparing seamless tubes as antecedency of laser-cut biodegradable coronary stents in china.Finite element analyses of the biodegradable coronary stent model indicate the explorative design basically meets the requirement of reasonable and applicable stents.There is not such kind of research yet in domestic.Optimum laser-cuttting parameters of CO2 laser was cauculated based on experiential formula,within it,biodegradable coronary stents,especially those with complex structure would be manufacutured from seamless tubes quickly by laser microprocessing with high consistency to the design model.The processing efficiency of the CO2 laser demonstrated in experiential formula by us will play an important guiding role in manufacturing biodegradable stents by laser-processing.Our stents that ascribed to laser-cutted,slotted tube stent are proved to be biodegradable, self-expandable and good biocompatible,basically reach the international level on the aspest of manufacturing procedures and design.

研究结果表明：壳聚糖改性材料综合性能优于纯PLLA，更适合于作为可降解冠脉支架的原材料；自主设计的探索性自膨胀管状闭环型可降解冠脉支架的性能符合冠脉设计要求，设计、验证生物可降解冠脉支架模型的研究在国内还未见报道；制备的改性PLLA无缝管的力学性能优越，可通过激光切割获得冠脉支架，这是国内首次采用聚乳酸材料来制备通过激光加工出可降解冠脉支架的无缝管；二氧化碳激光器加工精度能达到加工要求，加工出来的血管支架名义设计与实测值误差小，实现了冠脉支架、尤其是带有复杂外观设计冠脉支架的快速化、规范化加工，对二氧化碳激光器加工聚乳酸材料的效果研究在国内外属于首创，获得的经验公式对日后的深入研究有重要的指导意义；制备的支架为激光切割管状闭环型冠脉支架，支架外观设计、支架加工手段、支架的性能都基本接近国际水平，支架样品符合设计的理念，可以实现自膨胀功能。

Based on reverse engineering, establish exactly surface matching, compare a stamping part with antetype in surfacer interface, to inspect the quality of stamping part, statistic analysis the inspection data, find the ultimate reason of quality fluctuate appeared. According the reason to adjust the die, clamp or others. Utilize VB, Matlab, Surfacer, author compile a information management system used for the inspection of door plate.

应用VB和Matlab及Surfacer软件，针对轿车门板检测编制了轿车门板检测的信息管理系统，本系统可对轿车门板检测数据进行合格性判定，并进行CII分析，相关性分析及主成分分析，以寻求产生质量问题的根本原因，对于提高轿车门板制造的几何精度提供了一种可靠的分析手段。

Rut there also exist some imperative problems which havent been resolved, such as the problem of optimizing network structure, the design of learning algorithms, the improvement of convergence speed and error precision, the decrease of anthropic factors and so on.

但是也存在一些亟待解决的问题，如网络结构的优化问题、学习算法的设计、收敛速度和误差精度的提高及人为因素的减少等方面。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。