大地

This paper describes geodetic instruments progress in 40 years and inquiries about developing prospect of geodetic instruments in our country.

阐述了 40年来我国大地测量仪器的进展，并探讨了它的发展前

The geodetic data sharing environment presented in this paper is both a technical system and a sense.

本文提出的大地测量数据共享环境，既是一种技术体系，又是一种观念。

The data quality is a forever topic in geodetic engineering.

数据质量是大地测量的永恒话题。

Height data is not only a very important part of geodetic reference system, but also the important content of Digital Earth.

高程基准是大地测量参考框架的重要组成部分，也是数字地球基础框架的重要内容。

Geodetic work is the essential foundation for nation-building work, the work is unknown.

大地测量工作是国家建设不可或缺的基础性工作，也是默默无闻的工作。

Geodetic datum is the fundamental frame of geographical information system, surveying and mapping.

大地测量基准是开展地理信息系统和各种测绘工作的框架和起算依据。

It will help develop wide applications of space techniques in the fields of geodetic/geophysical study and of local surveys.

它将有助于发展空间技术在大地测量学/地球物理学领域和局部测量领域的广泛应用。

The geodetic data sharing environment presented in this paper is both a technical system and asense.

本文提出的大地测量数据共享环境，既是一种技术体系，又是一种观念。

In the practice of the geodetic data modeling, the cases are as follows

大地测量数据建模实践中应用递归数据结构的场合主要有

The techniques contained in these standards are key ones in realizing the geodetic data sharing environment.

这些标准所反映的技术内容是实现大地测量数据共享环境的关键技术。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。