查询词典 pre-existent

Through theoretical derivation, the author proved that the Landweber method is the transmogrification of the iteration solution of the generalized inverse, so the phenomenon that the reconstructed images of Landweber through many iterative processes is close to those reconstructed by generalized inverse method is explained, then a new reconstruction algorithm, namely pre-iteration method is presented, which divides the process of reconstruction into two steps, namely off-line pre-iteration and on-line one-step reconstruction.

通过理论推导，作者证明了Landweber法实际上可归于广义逆矩阵迭代求解的变形，从而解释了Landweber法多次迭代后，趋于广义逆解的现象。

Results Observe group have 3 TURPS patients. There were remarkable different in blood electrolytes and blood glucose between observe group and contral group, control group was different remarkably pre-and post-operation. There were remarkable difference in CVP, osmosis pressure, absorption amount of irrigating fluid in postopertion, control group was different remarkably pre-and post-operation.

结果 对照组出现3例经尿道电切综合征，观察组与对照组血电解质和血糖术后的变化差异有显著性，对照组术前、术后的变化差异有显著性；观察组与对照CVP、渗透压、灌洗液吸收量术后的变化差异有显著性，对照组术前、术后的变化差异有显著性。

The method comprises searching the undermost leaf node corresponding to a key word in a pre-established index tree; acquiring a block corresponding to the leaf node in the pre-stored IP address area of the virtual private network and corresponding index information, wherein the block comprises one or more consecutive IP address area and corresponding index information; acquiring the IP address area to which the key word belongs in the block; and searching the routing list corresponding to the index information according to the indexing information corresponding to the IP address area.

所述方法包括：在预先建立的索引树中查找关键字对应的最下层的叶子节点；在预先存储的虚拟私用网的IP地址区间和对应的索引信息中，获取叶子节点对应的块，该块包括一个或多个连续的IP地址区间和相应的索引信息；在该块内获取关键字所属的IP地址区间；根据该IP地址区间对应的索引信息，找到该索引信息对应的路由表项。所述装置包括：查找模块和获取模块。

Linen also comes in varied quality and weight, has a finer and smoother texture than cotton, and unprimed linen is light brown in color. I prefer the surface of linen for painting, however, it is more expensive. If you plan to do more than a few paintings, it is usually better to buy a larger piece of canvas, since less will be wasted with a larger piece when cutting for various canvas sizes. You can find fabric canvas, and panels and pre-stretched canvases in art stores, and some office supply stores and department stores carry canvas panels and pre-stretched canvases.

床单也丰富多彩的质量和重量，有一个更精细和平滑纹理比棉， unprimed亚麻是浅棕色的颜色，我喜欢表面上的麻布画，却是更昂贵的，如果您打算做多过几个画，它通常不如买一个大尺寸的油画，自少被浪费了一个更大的片切割时，由于种种画布大小，你可以找到面料帆布，和小组预拉伸画布在美术商店，及一些办公用品商店及百货公司进行帆布板和预拉伸画布。

Pre-delivery Diagnosis System: Provide pre-delivery diagnosis services including genetics consultation, ultrasound screening, amniocentesis, venepuncture and karyotype analysis. It aims to detect fetus with genetic and congenital anomaly before delivery so that these babies will not be brought to the world.

、产前诊断系统：开展遗传咨询、超声筛查、羊膜腔穿刺、脐静脉穿刺、染色体核型分析等产前诊断国际化先进技术，对胚胎或胎儿在出生前是否患有遗传性先天畸形做出准确的判断，防止缺陷出生。

Objective: To investigate the expression of endothelin-lET-1） mRNA in the villus of pre-eclampsia and the relationship between the ET-1 and pre-eclampsia.

目的：研究重度妊娠高血压综合征患者胎盘绒毛组织中内皮素-1(ET-1)mRNA的表达，探讨ET-1与妊高征的关系。

The received signals are adaptively pre-processed first ,and analysis of the complexity and stability of the pre-processor is provided.

首先对接收信号进行自适应预处理，并分析了预处理器的复杂性和稳定性。

In other words, the majority of patients in the antemarital examination, pre-operative, pre-pregnancy, or when blood was detected by accident.

也就是说，大部分患者是在婚检、手术前、孕前或者献血时意外被检测出来的。

There were no concentrations less than 5 mcg/mL; Average concentration of all pre-hemodialysis was 12.6 ± 3.6 mcg/mL. Average concentration of all pre-hemodialysis for anuric patients (n=10) was 14.2±3.6 mcg/mL.

结果：17位病患，总共获得102个药物浓度，全部透析前浓度介於5~20有49 (96.1%)个浓度，大於20有2 (3.9%)个浓度，最低浓度为7.22，最高为22.75，没有低於5的浓度；全部血液透析前浓度的平均值为12.6±3.6；没有残余肾功能的患者(n=10)平均的血中浓度为14.2±3.6 mcg/mL。

In the light of field features in desertification areas, the data quality and band combination of different bands are assessed, the indicators, principles and methods for data assessment and band option are put forward to, and optional band combination for desertification monitoring is determined primarily. The data pre-treatment model for desertification monitoring is developed after studying the pre-treatment algorithm of restoration and rebuilding of hyperspectral resolution data. The spectral features and variation rules of different objects in experimental areas are understood and analyzed. The different classified methods are given and discussed on the basis of characteristics of desertification region. The remote sensing quantitative retrieval model for the appraisable factors of desertification monitoring are founded.

针对荒漠化地区的地物特征，对高光谱数据不同波段的数据质量、波段组合进行定性和定量的评价，提出用于数据评价、波段选择的指标、原则和方法；初步确定一个适用于荒漠化监测的优化波段组合，建立适合于荒漠化监测的数据预处理模式；初步分析、掌握研究区内各类地物的光谱特性及变异规律；针对荒漠化地区特点对多种分类方法进行探讨分析；建立荒漠化监测主要评价因子的定量反演模型。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。