查询词典 information retrieval

The production line for both three layer PE pipe and epoxy powder inner anticorrosion pipe came from the reformation of an original production line of three layer PE pipe. The main problems to have been solved are as follows, convert the conventional spray gun deflector into two parts of diversion nozzle and gun wick to suit for different pipe diameters; adopt two stage retrieval equipment to increase powder retrieval rate and improve work environment; enlarge the calibres of gas jet and Venturi pump jet to increase powder output 20% above to ensure the spry coating thickness; design gun pushing device to raise automatic production level.

三层PE管和环氧粉末内防腐管兼容生产线是在三层PE管生产线的基础上改造而成的，主要解决了如下技术问题：将常规使用的喷枪导流体改成导流嘴和枪芯两部分，以适应喷涂不同直径钢管的需要；采用双级回收装置，提高粉末回收率，改善作业环境；加大一次气喷嘴和文丘里泵喷嘴的口径，使出粉量增加20%以上，从而保证涂层喷涂的厚度；设计推枪装置，提高生产的自动化程度。

Database was developed using in-situ water components absorption data to analyze the correlationship between absorption coefficients of suspended substances and their concentrations in the water color bands of MODIS and MERIS reflectance,respectively.Based on the bio-optical theory models and the remote sensing retrieval semi-analysis algorithm of Carder-MODIS phytoplankton optical characteristics,the sensitive bands adapting to local water optical characteristics were selected to develop empirical models of inherent optical characteristics,apparent optical parameters and component concentrations.And the remote sensing retrieval of water inherent optical characteristics and concentrations in the Hangzhou Bay at the MODIS band was achieved by this model.

利用实测水体组分吸收数据建立分析数据集，分别分析MODIS与MERIS特征波段水体悬浮物吸收系数与悬浮物浓度和遥感反射率的相关性；在生物光学理论模型的基础上，参考Carder-MODIS浮游植物固有光学性质遥感反演半分析算法，选择适合本地(来源：ABC论7f文网www.abclunwen.com)水体光学特点的特征波段，建立固有光学参数、表观光学参数以及成分浓度之间的经验模型，基于MODIS特征波段实现杭州湾水体固有光学性质及其浓度的遥感反演。

The history of meteorological satellites, the principle of meteorological remote sensing and retrieval methods for atmospheric parameters are introduced comprehensively in this thesis. The principle of Advanced TIROS Operational Vertical Sounder on board the new generation of National Oceanic and Atmospheric Adminisstration polar-orbiting satellites and the retrieval methods for temperature, humidity and wind profiles are given indetails.

本论文系统介绍了气象卫星的发展、遥感原理以及大气参数反演方法；详细介绍了NOAA/ATOVS传感器工作原理及其大气温度、湿度、风矢量廓线反演方法；对MM5中尺度气象数值预报模式、数据同化方法也作了简要介绍。

As very large collections of images are becoming common, there is a growing interest in image database that can be quired based on image content. Content-Based Image Retrieval has become an important research issue aiming at providing effective means for image retrieval on large image databases.

随着图象数据的大量涌现，基于内容的图象检索技术已成为研究热点，其目的是为了对大容量图象库提供有效的检索手段。

CBR principle was applied in design of precision spade punch planter of maize. IDEF0 method was adopted to disassemble design procedure. The nearest-neighbor case retrieval strategy was used to accomplish case retrieval. Then, the retrieved case was modified to meet the needs of the design.

将实例推理技术应用在铲式玉米精密播种机的设计过程中，采用IDEF0法对播种机设计任务进行分解，采用最近邻实例检索策略完成实例检索并根据设计要求进行修整，从而达到设计要求。

In order to solve the problem,an exponential expression similar to that of the electromagnetic wave propagation loss is used to describe change of observation weight with distance,and the standard statistics retrieval algorithm is used to test the effect of retrieval speed and precision caused by different observation weight.

赵小峰 解放军理工大学气象学院，南京 211101提出采用一种与电磁波传播损耗相类似的指数衰减形式来描绘观测值权重随距离的变化，结合标准的统计反演算法来测试不同的观测值权值对反演速度与精度的影响。

A retrieval algorithm of high resolution wind speed and direction is researched, and the method and software of wind lidar signal process, as well as the wind retrieval software, are mature.

研究了光子计数激光测风技术中高精度风速及风向反演方法，完成了激光测风信号及数据处理方法及软件。并完成了风场反演软件。

Based on the analysis of video retrieval issues among different time scales, such as retrieval between re-edit video (speed forward or slow-motion) or original video and different frame rate videos,this paper proposed a novel dynamic time warping optimal matching algorithm.

针对不同时间尺度视频间的匹配问题，如人为再编辑视频与原始视频间的匹配以及不同帧率视频间的检索等，提出了一种基于动态时间规划的最优匹配算法。

The part of feature retrieval proposed a three-layered framework for multi-feature video retrieval which was composed of presentation, logic and transaction layer.

SupEye系统在分析MPEG-7标准的基础上解决了视频特征与用户检索特征的分离、样例查询中的特征分析以及多模态查询的结果融合问题。

A content-based image retrieval procedure for relevance feedback retrieval, own research inquiries point learning alg...

一个基于内容的图像检索程序，用于相关反馈检索，采用自己研制的查询点学习算法。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。