数字

The evaluation methods for digital filter ing effects used in Gamma ray logging are discussed.

探讨了γ射线测井信号数字滤波效果的评价方法，指出评价数字滤波效果的判别准则，应包括恢复地层真值的效果评价和跟踪地层突变能力的评价两个方面。

The value characteristics of samples may be expressed using value distribution, normally use normal distribution or Gaussian distribution.

样本的数字特征也可用数字的分布表示，通常是正态分布。

In the period of aerodrome construction project geology reconnaissance, highresolution orthomap of working area, 3D Remote Sensing Virtual Reality and animation of planned aerodromes are made with the technologies of Remote Sensing digital image process, Virtual Reality and digital photogrammetry. By information extracting and comprehensively assessing on the geognosy, engineering geology, environment geology and ecoenvironment of work area, scientific foundation can be offered to deciders and workers of aerodrome.

在机场建设工程地质勘察中，应用"3S"技术，通过遥感数字图像处理技术、虚拟现实和全数字摄影测量等高科技，制作测区的高精度正射遥感影像地图以及各个拟选机场的遥感图像三维虚拟动态系列动画图，在此基础上进行场区的构造地质、工程地质、环境地质以及生态环境等特征信息提取和综合评价，为机场建设工程决策者和具体的工作者提供科学依据。

In the period of aerodrome constmction project geology recottitaissance, high-resolution ortho-map of working area, 3D Remote Sensing Virtual Reality and animation o planned aerodromes are made with the technologies of Remote Scttstng digital image process, Virtual Reality and digital photogrammetry. By information extracting and comprehensively assessing on the geognosy, engineering geology, environment geology and eco-environment of work area, scientific foundation can be offered to deciders and workers of acrodrome.

在机场建设工程地质勘察中，应用"3S"技术，通过遥感数字图像处理技术、虚拟现实和全数字摄影测量等高科技，制作测区的高精度正射遥感影像地图以及各个拟选机场的遥感图像三维虚拟动态系列动画图，在此基础上进行场区的构造地质、工程地质、环境地质以及生态环境等特征信息提取和综合评价，为机场建设工程决策者和具体的工作者提供科学依据。

Digital Elevation Model is a digital description of land surface, which can provide new means and perspective on study of geomorphology.

数字高程模型正是对地球表面地形地貌的数字表达和模拟，这就为研究地形地貌提供了新的思路和方法。

The principles of digital speed measurement is described first, and then according to the actuality of the gimbal servo system and the characters of DSP, the method of position difference based on DSP is applied to the servo system.

在分析了数字测速方法的原理之后，根据转台伺服系统速度检测方法的现状及DSP更适合数字化测速的特点，用DSP对目前广泛运用于转台伺服系统中的数字测速方法―位置差分法进行了实际应用，并给出了具体的软、硬件实现方法。

Our research works are using dummy instrument techniques and digital PID control arithmetic to complete digital electrostatic feedback system and data managing works of LCR-ET model gravimeter.

本项研究工作是利用虚拟仪器技术和数字PID控制算法，实现LCR-ET重力仪的数字静电反馈系统和数据管理工作。

The numbers are part of a grayscale system in which brightness is measured in a range of values.

数字是灰度系统的一部分，在灰度系统中，一个范围内的亮度用一些数字被测量表示。

After analyzing how to choose open source software for building PDL, the author chose Greenstone and built a PDL at the end of the paper.

在此基础上分析选择构建个人数字图书馆的开源软件应该考虑的因素，阐述了笔者利用Greenstone软件进行个人数字图书馆构建的实践。

Greenstone2.38 - Greenstone is a complete digital library creation, management, and distribution package created and distributed by the New Zealand Digital Library Project.

Greenstone是一个完全的数字图书馆，它是由新西兰数字图书馆工程设计和发布的，包括创建，管理和发布软件包。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。