terrestrial space

Underwater communication is an important technology for marine and underwater development and exploration. Unlike the terrestrial and space communications, underwater communication is mainly in freshwater seawater.

水下通信是海洋和水下开发的一项重要技术，相对于陆地与空间通信而言，水下通信主要是在淡水、海水中的通信。

Developed countries have carried out comprehensive studies on various systems such as inter-orbital, space-to-ground, ground-to-space, and terrestrial free space optical communication systems, and some have already brought forward commercial products.

各发达国家对卫星轨道之间，空地，地空，地地等各种形式的自由空间光通信系统进行了广泛的研究，有一些国家已经推出了商业化产品。

This paper systematically summarizes the features of independent terrestrial reference frame by space technique.

采用抗差迭代等价权法分析了空间技术实现独立地球参考架地心坐标的实际精度；

Surveying or land surveying is the technique and science of accurately determining the terrestrial or three-dimensional space position of points and the distances and angles between them.

测勘或者土地测勘是指精确测量地面或者立体坐标、距离、角度的技术。

Does outside outer space still have the terrestrial celestial body of image?

外太空还有像地球的星球 么 ?

Based on these studies, the methods of carrying out and establishing the terrestrial reference frame from space techniques are studied, and also the absolute plate motion model and relative motion model are studied and established.

在此基础上研究了由空间技术建立和实现参考系的方法以及板块运动的情况。

Nowadays, the space technology is stepping into an era of large scale development of terrestrial space, the design of satellites which are applied in both commercial and defense applications trends toward high performance, multiple purposes and long service life.

目前，航天技术正进入大规模开发和利用近地空间的新阶段，直接为国民经济和国防建设服务的各种应用卫星，正向高性能、多用途、长寿命方向发展。

The way of remote sensing of terrestrial atmospheric parameters using space borne GPS radio occultation technique is discusses in this paper.

探讨了空基无线电掩星技术应用于遥感地球大气参数方法，并将该方法编制成资料处理软件。

Vacuum Environment of Terrestrial Interplanetary Space in Solar System

太阳系类地行星际真空环境特性研究

Remote-sensing image characterizes terrestrial object by its spectrum and space identity.

遥感图像是通过光谱信息和空间信息表征地物的.

Earth observation by satellites is the important method of acquisitioning the spatial information on terrestrial space, and is producing important result on national economic construction and national defense construction.

遥感对地观测是人类获取地球空间信息的重要手段之一，在国民经济和国防建设中发挥了重要的作用。

There are many differences between terrestrial and marine environment with different controlling factors of corresponding containable space and the sequence evolution.

陆相沉积环境与海相沉积环境有很大的差异，相应的可容空间及层序演化控制因素也不同。

The photoelectric tracking platform is the whole integrating optical, mechanical, electronic and computer applications, widely used in range, target tracking, target acquisition, astronomical observation, the field of terrestrial and space.

光电跟踪转台把光学、机械、电学和计算机等多方面知识应用于一体，广泛应用于靶场、目标跟踪、目标捕获、天文观察、陆地和空间领域。

Large Scale Spiral Waves in the Solar Terrestrial Space

日地空间中的大尺度涡旋波

On the Prospect for the Research of Plasma Physics in Solar-Terrestrial Space

关于日地空间等离子体物理研究的前景

The main controlling factors of the terrestrial containable space and their effect on the sequence evolution were analyzed. Study shows that terrestrial sequences develop mainly lowstand system tract, lake expand system tract and lake shrink system tract.

分析了陆相可容空间的主要控制因素及其对层序发育的影响，研究表明陆相层序主要发育低水位体系域、湖泊扩张体系域和湖泊收缩体系域。