preliminary works

基本解释

The moisture and salts content in the cliff had a preliminary understanding though many works. It is good for study the deterioration process that in Wall paintings.
通过以上多项调查，初步掌握了莫高窟崖体中水分、盐分的分布现状，这对解释壁画病害的产生过程有重要意义。
Some preliminary works were done in measuring cosmic neutron current. The results show that cosmic neutron currents change regularly in different meteorological conditions.
初步进行了宇宙中子流的测量，结果表明：在不同的气象条件下，宇宙中子流呈现有规律的变化。
Outlines the development of Intemet at home and abroad, highlights the significance in establishing HVAC databases and searching engines and describes the authors'preliminary works in that respect.
简要介绍了互联网在国内外的发展，阐述了建立暖通空调专业数据库和搜索引擎的重要性以及作者的初步工作。
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