数据

It is suggested by our test work on radon mapping of geology that there is a good coincidence between the data got from gamma-ray spectrometer and radon monitor and the U、Th、Ra、K data got from indoor gamma-ray spectrometer and radiochemistry method; the data of gamma-ray spectrometer and radon monitor are also comparative to the 1∶20 ten thousand geochemistry data of U、Th、 Ra (calculated by the equilibrium coefficient between U and Ra) and radon concentrations measured by solid state nuclear track detector .

在国内首次利用地质勘探费用进行氡地质填图方法试验，该试验方法结果表明，利用国产的现场能谱仪、测氡仪获得的数据与室内能谱仪、化学法测得的铀、钍、镭、钾结果一致；与已有的1∶20万区域地球化学数据铀、钍、镭（由铀、镭平衡系数计算得出）、钾和固体核径迹累积法测氡数据具有很好的可比性。

There is an introduction to Mars meteorites, and detailed descriptions of individual Mars meteorites. Each document about the individual meteorites contains all existing information such as petrography, whole rock and mineral chemistry, radiogenic, cosmogenic and stable isotope data and weathering.

该站点详细的介绍了火星陨石及其各自的具体特点，这些以PDF格式保存的档案文件包含了岩石记述学、岩石和矿物化学、射电数据、宇宙测年数据、稳定同位素数据等。

Issues like what kind of subsequent electric circuit should be adopted to produce effectively the spectrum measure data and the gross measure data, and how to conduct the measure of the radon chamber temperature and humidity in a convenient and accurate way, are one of the important aspects of investigation of radon chamber dada acquisition systems.

在氡室中，通过金硅面垒半体探测器对α粒子的测量，采用怎样的后续电路结构才能有效的获取谱测量数据与总量测量数据，以及对氡室环境的温、湿度如何能简捷、准确测量是氡室数据采集系统的重要研究课题之一。

Metadata is the descriptive data for rhe data structure,quality,condition,query and other relative property,and plays an important rale in information sharing.

元数据是说明数据内容、质量、条件、查询和其他有关特征的背景数据，在信息共享中有重要作用。

In this paper, the generation and organizition method of 3D raster data are deeply studied.

本文针对GIS的基本数据类型——三维栅格数据，重点在三维栅格数据的生成和组织方面进行了深入研究。

The hard part of taking advantage of this flood of geospatial information will be making sense of it.- turning raw data into understandable information.

利用大量的地理信息的较难的部分是使这些数据有意义——将原始数据转换成容易理解的数据信息。

So the data transferred in the network can be classified into multi-data (real-time service) and general-data.

这些数据分为有实时性要求的多媒体数据和时间不受限的常规数据。

Nowadays, the Data-Acquiring Technology is used in many fields such as Analytical Instrument, Geology Reconnoiter, Medical Treatment Instrument, Radar, and Communication etc.

近年来，对于数据采集系统的要求与日俱增，数据采集系统有着非常良好的应用前景。如今的数据采集技术已渗透到分析仪器、地质勘探、医疗器械、雷达、通讯、测控等技术领域。

In order to obtain the reliable and accurate headway distance data, a state space model for distance data filter is established and then a new data fusion and estimation algorithm based on Kalman filter principle is developed. Its recursion formula is obtained. Taking the distance measurements of machine vision and laser radar as inputs, this fusion and estimation algorithm can output more reliable and accurate fusion data in real time.

建立了距离滤波的状态空间数学模型，提出了一种新的基于Kalman滤波原理的距离数据融合估计方法，推导出融合估计的递推公式，对来自机器视觉和激光雷达的距离数据进行融合估计，以减少距离数据的噪声，提高其可靠性与准确性。

By using the fauna of digital television broadcasting channel, sue as mass data transmission, less resource occupied than Internet, and QoS guarantee, this system is de signed base on the Redbud DTV front-end sys tem developed by Shenzhen institute of Tsinghua university. The designed system is a low-cost data downloader using more simple protocols than current data broad cast.

利用数字电视广播信道可以实现大容量的数据传送，与互联网相比具有占用资源少、服务质量有保证等特点，在深圳清华大学研究院数字电视前端系统紫荆神网的基础上，设计实现了比现有数据广播协议更简便的低成本数据下载终端。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。