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1·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。

2·This article tries to make a preliminary exploration about thoughts and art of their works from an angle of literary narration with a combinative method of influencing research and parallel research.

本文采用誉舆学影响研究和平行研究相结合的方法，从文学叙事角度，对两位作家作品主题、艺术等方面展开初步探讨，提供日俄文学交流的线索和一个重要例证。

3·According to introduction, China has set up preliminary target to sell average 100 planes each year, China will strengthen the works on export of ARJ21, Xinzhou-60, Y-12 series and H425 helicopter.

据悉，目前中国航空工业已初步设定“年均销售飞机100架”的目标，将重点做好ARJ21新支线飞机、新舟60飞机、运12系列飞机、H425直升机等主流机型的出口销售。

4·On the basis of reviewing his music works, the author analyzes his music style, generalizes about his music features and makes a preliminary evaluation of the value of his creations.

在总揽程午加琵琶音乐作品基础上，对其作品的具体音乐形态进行相关分析，总结程氏琵琶作品的音乐特色，并对其创作价值进行初步评估。