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"Observing the Growth of Mung Bean Sprouts" Biology and Environment PPT download
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2023-09-25 18:14:40
"Seed Germination Experiment (2)" Biology and Environment PPT Courseware 3
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"The Harm and Prevention of Noise" PPT
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"Singing and Smiling" PPT courseware 4
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"Exploring the Pitch Changes of the Ruler" Sound PPT Courseware 2
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"The Sound of Willow Flute" PPT courseware
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Background sound detection pause software
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2022-03-24 08:00:05
"Main Vegetation and Natural Environment" Vegetation and Soil on the Earth PPT Courseware
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2023-09-25 17:35:04
Statistical table of each environmental index.xls
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2022-10-18 13:00:07
"Main Vegetation and Natural Environment" Vegetation and Soil on the Earth PPT Download
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"Protect Our Living Environment" Chemistry and Life PPT Courseware
下载 366 次
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"Listen to the Voice of Autumn" PPT courseware download
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"Sounds of Nature" PPT courseware download
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"The Voice in the Park" picture book story PPT
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2019-02-15 11:00:00
"The Relationship between Organisms and the Environment" Understanding the Biosphere PPT Courseware 3
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"Observing the Growth of Mung Bean Sprouts" Biology and Environment PPT Courseware 4
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"Biosphere and Vegetation" Looking at the surface environment from the earth's sphere PPT
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"Protect Our Living Environment" Chemistry and Life PPT Courseware
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"The Relationship between Organisms and the Environment" Understanding the Biosphere PPT Courseware 5
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"The Relationship between Organisms and the Environment" Understanding the Biosphere PPT Courseware 6
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"Seed Germination Experiment (2)" Biology and Environment PPT Teaching Courseware
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"Hydosphere and Water Cycle" Looking at the Surface Environment from the Earth's Sphere PPT Courseware (Lesson 1)
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"Pay attention to the biosphere-the environment is deteriorating" PPT
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Exquisite environmental protection theme PPT template
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Green Earth Environmental Protection PPT Template
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Caring for the environment and protecting the earth PPT template
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"Environmental Pollution and Its Prevention and Control" PPT courseware
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"The Relationship between Organisms and the Environment" Understanding the Biosphere PPT Courseware 2
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"Observing the Growth of Mung Bean Sprouts" Biology and Environment PPT Courseware 2
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"Sounds of Nature" PPT courseware download
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"The Loudest Sound in the World" PPT courseware
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"Observing the Growth of Mung Bean Sprouts" Biology and Environment PPT Courseware 4
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"The Relationship between Organisms and the Environment" Understanding the Biosphere PPT Courseware 4
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"Observing the Growth of Mung Bean Sprouts" Biology and Environment PPT Courseware 3
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"Listen to the Voice of Autumn" PPT courseware download
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"The Sound of Nature" PPT teaching courseware
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"Waste Disposal" Environment and Us PPT
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"The Sound of Nature" PPT teaching courseware
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"Who Can Spread the Sound" PPT courseware download
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Green and gray rings surround conflict PPT chart
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"Occurrence and Propagation of Sound" PPT courseware
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"The Occurrence and Propagation of Sound" PPT download
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"Hydosphere and Water Cycle" Looking at the Surface Environment from the Earth's Sphere PPT Courseware (Lesson 2)
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"Hydosphere and Water Cycle" PPT download of looking at the surface environment from the perspective of the earth's sphere (Lesson 1)
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"Ideal Living Environment" PPT Courseware 2
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"One Day's Garbage" Environment and Us PPT
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Green cartoon environmental protection PPT template
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Holding green leaves to protect the environment PPT template
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2020-05-31 18:10:03
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