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.

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。

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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

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Large Scale Spiral Waves in the Solar Terrestrial Space

日地空间中的大尺度涡旋波

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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

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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。

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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。

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Terrestrial snail fossils in soil layers of late Pleistocene eolian BIOCALCARENITE in the Shidao island of the Xisha Islands

西沙群岛石岛晚更新世碳酸盐土壤层陆栖蜗牛化石

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Forest ecosystem is the largest terrestrial carbon storage. Soil is the largest carbon pool in the terrestrial ecosystem and it is an important greenhouse gas source and sink.

森林生态系统是陆地最大碳储存库，土壤是陆地生态系统中最大的碳库，是温室效应气体的一个重要的源和汇。

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Application of terrestrial invertebrates biomarkers in soil pollution ecology study

动物生物标志物在土壤污染生态学研究中的应用

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The relationship between terrestrial stress anomaly in soil layer and earthquake

土层地应力异常与地震的关系

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As the most active sub-system among the terrestrial ecosystem, soil is the kernel of ecosystem service value research thanks to its strong ecological service function.

土壤，作为陆地生态系统中最具活性的一个亚系统，是生态系统服务价值研究的核心，具有较强的生态服务功能。

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As important parts of terrestrial, soil and aquatic sediments are sources and sinks of mercury.

土壤、河、湖沉积物作为陆地生态系统的重要组成部分，是汞重要的源和汇。

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The development on the research of terrestrial ecosystem soil respiration

陆地生态系统土壤呼吸的研究进展

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The similarity in distribution mode of heavy metals in intertidalite and terrestrial soil suggest that they are originated from terrestrial soil that is contiguity to the sea.

潮间带水体、悬浮物、沉积物与滨岸土壤中重金属元素组成和分布模式的相似性表明其污染来源为陆源污染物。

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Barium, a metal rich in terrestrial soil, but usually low in seawater, began to rise soon after Europeans settled the area in 1862.

发现自1862年，欧洲人移民澳大利亚起，仅在陆地土壤中富含的金属钡的数量开始在海里上升。

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The calculation results of DC currents through transformer neutrals with the influence of sea considered are evidently different from those calculated by terrestrial soil model.

考虑海洋影响的直流输电大地运行时变压器中性点流过的直流电流与陆地土壤模型计算的结果有很大不同。

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Study on Terrestrial Soil Nitrogen Pool in China

中国陆地土壤氮库研究

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Error analysis of estimating terrestrial soil organic carbon storage in China

中国陆地土壤有机碳蓄积量估算误差分析

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Soil is an important component and plays a leading role in global carbon cycling. Therefore, the study on terrestrial soil carbon cycling mechanism and responses to global change are an important foundation of predicting CO_2 content and global change.

土壤是全球碳循环的重要组成部分，在全球碳循环中起着主导作用，因此研究陆地土壤碳循环机制及对全球变化的响应，是预测大气CO2含量及全球变化的重要基础。

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Form the distributions, landforms and topography, the article illustrates a scientific hypothesis that landmasses had come into being on the two terrestrial poles, and are moving extruding towards the equators and floating to the West of the earth reducing themselves.

本文从整个地球陆地分布及地形地貌的客观特征提出了：陆地应在两极形成及必然向赤道进动挤压和朝西方移动压缩的假说。

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