1.
chart datum level
海图基准面海图基准线
2.
Study on Precision of Chart Datum Transfer Algorithm
海图深度基准面传递算法的精度分析
3.
Chart datum transfer techniques
海图基准点转换技术
4.
The natural scale of a chart is the ratio of a length measured on the chart to a corresponding length measured on the surface of the Earth and is expressed as a fraction.
海图的基准比例尺是图上一个单位长度与其对应的球面上长度的之比，用分数表示。
5.
Research on Chart Symbol of S-52 Specification
基于S-52标准电子海图的符号研究
6.
Study on Sea Area Measurement System Based on Raster Chart;
基于光栅海图的海域面积测算系统的研究
7.
Registration of Airborne Remote Sensing Oil Spill Image Based on Harris and GA;
基于Harris和GA的航空遥感海上溢油图像配准
8.
The Design and Realization of Electronic Chart Display System Based on International Standards;
基于国际标准电子海图显示系统设计与实现
9.
Electronic Chart Display and Navigation System Based on S-57 International Standard;
基于S-57国际标准的电子海图显示与导航系统
10.
The Research on Amphibious Vertical Unified Datum Based on Reference Ellipsoid Surface
基于参考椭球面的陆海垂直基准统一的研究
11.
Medical Image Registration Using Equivalent Meridian Plane and Mutual Information
基于等效子午面与互信息量的医学图像配准
12.
Use to add a datum on a plan view. Elevation view symbol can be shown or hidden.
用于在平面图中添加基准。可以显示或隐藏正视图符号。
13.
Research of Virtual Ocean Scene Based on Realistic Graph Technology;
基于真实感图形技术的虚拟海面场景研究
14.
Identification of Oil-Spill on SAR Images Based on Fuzzy Logic Algorithm
基于模糊理论的SAR图像海面油膜识别方法研究
15.
Detection of ship targets on the sea surface based on Lyapunov exponents of image block
基于图像区域Lyapunov指数的海面舰船目标检测
16.
relative change of sea level
海面相对变化准旋回
17.
The Design and Implementation of ECS Compliant with International Standards;
符合国际标准的电子海图基础平台的设计与实现
18.
For cartographical purposes heights are necessarily recorded above the geoid (sea-level).
就制图的目的来说，所以需记录的高程是高出大地水准面（海平面）的高程。