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    Two Practical Horizontal Displacement Surveying Methods and Their Precision Analysis
    两种实用的水平位移观测方法及其精度分析
    And the absorption characteristics were simulated. Three-layer structure with the thickness of 1.66mm and the surface density of 4.685kg/m~2 was prepared and its microwave absorbing properties were measured by a net work analyzer from 2GHz to 18GHz.
    根据实验和计算结果,制备出接近实用水平的三层吸波涂层,厚度为1.66mm,面密度为4.685kg/m~2时,实测吸波性能是:2~18GHz波段吸收率小于-1.34dB,吸收率R<-10dB的带宽大于7.9GHz。
    The performance of primary prototype is as follows: suppression beyond band 40 dB, 3dB band-width 650 MHz, insertion loss 1 dB, which is approaching the level of application.
    初样性能:带外抑制40dB、3dB带宽650MHz、插入损耗1dB,接近实用水平
    Results indicated in patients of microwave group, the total efficiency of hearing improvement was of 81 81%, in which a recovery of serviceable hearing was of 54 54%;
    结果表明微波治疗组的有效率为8181%,听力达实用水平者为5454%;
    The material with area density of 5.2 kg/m 2 achieved maximum absorbing value of -13.37 dB, and minimum value of -10 dB over the whole frequency range (8~18 GHz).
    该材料面密度小于 5 .2 kg/m2 。 在 8~ 18GHz波段最大反射衰减为 - 13.37d B,反射率小于 - 10 d B的频率带宽接近于雷达工作的全频带 ,达到了实用水平
    The test upon the numeral samples from ‘Car License Recognition System’ shows that the optimization algorithm is able to improve the recognition performance of synergetic neural network effectively, and make the recognition rate reach the level of real application (98.4%).
    对从“车牌识别系统”中采集得到的数字样本进行的测试表明 :优化算法能有效提高协同神经网络的识别性能 ,使识别率达到了较为实用的水平 (98.4% ) .
    The thermometer, which can be applied to practices, adopts chop amplification, environment temperature compensation, ΔΣ24bit ADC and multilayer optical drawtube.
    采用了斩波放大、环境温度补偿、△∑方式24位ADC及多层光学镜筒,达到了实用水平
    When Ma_0=0.7,α=-2°~8°,β=0°~2°, the total pressure recovery coefficient ranges from 0.920 to 0.952 and the circumferential total pressure distortion index ranges from 1.142% to 2.237%, which shows clearly that the performance of the submerged inlet is acceptable.
    选取23°导流角、4°侧棱角以及30°后唇口型线特征参数组合进行了方案设计和风洞试验验证,在Ma0=0.7,α=-2°~8°,β=0°~2°的范围内,进气道的总压恢复系数在0.920~0.952之间,周向畸变指数在1.142%~2.237%之间,达到了实用水平
    An air-bone gap reduction of > 30 dB and > 15 dB was achieved in 17 ears ( 35% ) and in 35ears ( 71% ),respectively;
    其中术后ABG缩小30dB以上的显效者17耳(35%),缩小15dB以上的有效者35耳(71%),有5耳ABG缩小虽不足15dB,但气导水平达到40dBHL实用水平以内(10%),两者相加,有效率为40耳(81%)。
    there was an ABG reduction of < 15 dB in 5 ears ( 10% ),their AC thresholds,however,were less than 40 dB HL and were considered as improvement,for a total improvement rate of 81%.
    术后ABG缩小10dB以上为38耳(78%),另有5耳(10%)气导水平达到40dBHL实用水平以内,二者相加为43耳(88%)。
    Postoperative hearing results showed an excellent ( ABG < 10 dB ) or a good ( ABG < 20 dB ) ABG closure in 10 ears ( 20% ) and 28 ears ( 57% ),respectively.
    如以ABG缩小到20dB以内为成功者是28耳(57%),另有4耳(8%)虽ABG略大于20dB,但AC已达40dBHL以内,两者相加为32耳(65%)。 术后AC小于40dBHL实用水平的总共31耳(63%)。
    A SIMPLE AND USEFUL CHAMBER FOR HORIZONTAL THIN-LAYER CHROMATOGRAPHY
    简易实用的水平式薄层色谱展开仪的制作
    (3) Aiming to reduce the number of the segments and shorten the treatment time for static IMRT (step-&-shoot), the technique of GA-based deliverable segment optimization (GADSO) is originated by the author.
    (3)针对目前常用的静态IMRT治疗中存在的子野个数多、治疗时间长等不足,首次提出了用GA+CG的方法来优化子野,达到了实用水平
    Inaddition, the paper has analyzed the testing result of recognition performancewhich shows that the recognition of proper names in this system has achieved ahigh level in application.
    论文给出了该系统专名识别性能的测试结果,并对结果进行了分析。 测试结果表明,该系统的专名识别能力达到了较高的实用水平
    The path programming of mobile robot is still on theoretic and experimental stage. There are few practical apply. It still needs much further research.
    智能移动机器人的遍历路径规划目前大部分处在理论和实验阶段,只有很少数的实用,还需要继续深入研究,使它能够在将来达到很好的实用水平,更好的为人类服务。
    Experimental results confirm that the proposed scheme might be feasible for practical applications.
    实验结果表明,该方法具有较强的稳定性、可靠性和适应性,已基本达到实用水平
    Above all, we carry out study of improving uniformity of period thickness spatial distribution, and develop correction mask for controlling period thickness. As a result, we improve uniformity from 4.5% to 2.0%, the error of period thickness on (130nm field is controlled within 0.18nm,and the reflectivity reach 35% at center wavelength 17.1nm.
    特别地,我们设计并应用膜厚挡板补偿技术控制多层膜的膜厚分布,将膜厚分布非均匀性从4.5%减小到2%,周期厚度绝对差值控制在0.18nm以内,并且制备得实际多层膜样品在中心波长17.1nm处实测反射率达到35%,达到实用水平
    According to the analysis of questionnaire by the professionals, we clarified the priority of the best intelligent residence zone indicator.
    通过对智能住宅小区进行决策评价,将对智能住宅小区的实用水平有一个客观标准的度量,指出针对不同区位面对不同消费水平的智能小区为满足自身特点功能应重点发展的方向。
    The experimental result shows stability, liability and compatibility of the system which has reached utilitarian level.
    实验结果表明,该系统具有较强的稳定性、可靠性和适应性,已基本达到实用水平
    In a word, the prototype instrument has good practicability.
    样机在临床试验过程中运行良好,基本达到实用水平
 

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