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地学夏令营
释义
地学夏令营
dì xué xià lìng yíng
中小学生利用暑期进行的地学科技活动。主要内容是对自然现象进行观察与探索。以野外活动为主,常涉及山、川、湖、海、石洞、矿产等知识,和旅游联系较密切,是深受中小学生喜爱的科学普及活动。
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conservation of reactive power
conservation of recreation resources
Conservation of relics
conservation of resources
conservation of rfel
conservation-of salt
conservation of scenic spots
conservation of similar power
conservation of soil
conservation of soil and water
conservation of soil nutrient
conservation of standard
conservation of substance
conservation of symmetry of molecular orbital
Conservation of synteny
conservation of the arable land
conservation of the natural environment
conservation of the ocean
conservation of time
conservation of volume
conservation-of volume
conservation of volume change
conservation of volume water
conservation of vorticity
conservation of water and soil
英汉汉英双解词典包含9999994条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。
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更新时间:2025/4/2 15:51:34