莎草
发表于 2025-3-23 10:34:50
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种属关系
发表于 2025-3-23 16:49:26
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Harness
发表于 2025-3-23 18:51:25
Deyi Xue hinsichtlich der Mineralsystematik und der Frage des Ursprungs und der Entstehung der unterirdischen Körper seinen Vorgängern Aristoteles, Theophrast, Plinius, Avicenna, Albertus Magnus u. a. vielfach verpflichtet war, so habe er doch die Kennzeichenlehre und das System der Mineralien ... Im Gegens
性上瘾
发表于 2025-3-23 23:55:31
Masanori Ozawa,Mark R. Cutkosky,Brian J. Howleytexts were explored. The programme took place in the Integrated Centre of Science Education of the “Ciência Viva” School (a public primary school) of Vila Nova da Barquinha, from April to November 2015..This qualitative descriptive-oriented study aimed to evaluate: (1) the effects of the teacher tra
占卜者
发表于 2025-3-24 05:12:23
David W. Rosenmination of science. To achieve this purpose, the attitudes of Portuguese high school students towards the importance of model-based learning in teaching and disseminating the dependence of earthquakes effects on soils and buildings were analysed. The data were collected through a scale for model ev
anatomical
发表于 2025-3-24 06:41:55
Masaharu Yoshioka,Yasuhiro Shamoto,Tetsuo Tomiyamathe results obtained through this investigation turn this study, so we believe, into a sound contribution to the field of Earth Science didactics. It underlines the need to produce official curriculum documents and Science textbooks with adequate geoscientific contents to help develop the geoscience
jagged
发表于 2025-3-24 13:40:40
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LAPSE
发表于 2025-3-24 17:22:15
Bill Chan,Susan Fingerontinent..Analysis of world resources can be divided into 3 major categories of activity based on the objectives of the analysis; inventories, resource assessments, reserve estimates..The objective of establishing a national inventory is to locate, describe, and quantify resources for future assessm
CHANT
发表于 2025-3-24 21:08:41
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Carbon-Monoxide
发表于 2025-3-24 23:55:37
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