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Titlebook: Mathematics Education as a Research Domain: A Search for Identity; An ICMI Study Book 1 Anna Sierpinska,Jeremy Kilpatrick Book 19981st edit

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發(fā)表于 2025-3-23 13:40:02 | 只看該作者
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發(fā)表于 2025-3-23 19:52:40 | 只看該作者
ll as Meier in 1910 [3], carried out the first researches on the optical properties of vitreous selenium. The interest in the glasses that exhibit transparency in the infrared region of the optical spectrum rose at the beginning of the twentieth century. Firstly were investigated the heavy metal oxi
14#
發(fā)表于 2025-3-23 22:37:39 | 只看該作者
15#
發(fā)表于 2025-3-24 03:36:12 | 只看該作者
Alan J. Bishopr in 1910 [3], carried out the first researches on the optical properties of vitreous selenium. The interest in the glasses that exhibit transparency in the infrared region of the optical spectrum rose at the beginning of the twentieth century. Firstly were investigated the heavy metal oxides and th
16#
發(fā)表于 2025-3-24 08:40:52 | 只看該作者
ll as Meier in 1910 [3], carried out the first researches on the optical properties of vitreous selenium. The interest in the glasses that exhibit transparency in the infrared region of the optical spectrum rose at the beginning of the twentieth century. Firstly were investigated the heavy metal oxi
17#
發(fā)表于 2025-3-24 14:34:42 | 只看該作者
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發(fā)表于 2025-3-24 17:12:49 | 只看該作者
Paolo Boero,Julianna Radnai Szendreiing nondestructive testing and destructive testing), model identification and strength assessment. Three estimation quality levels (EQL) are defined depending on the targeted accuracy of strength assessment, based on three parameters, mean value of strength and standard deviation of strength on a te
19#
發(fā)表于 2025-3-24 22:54:52 | 只看該作者
Carolyn Kieraning nondestructive testing and destructive testing), model identification and strength assessment. Three estimation quality levels (EQL) are defined depending on the targeted accuracy of strength assessment, based on three parameters, mean value of strength and standard deviation of strength on a te
20#
發(fā)表于 2025-3-24 23:58:55 | 只看該作者
Gérard Vergnaudin situ strength assessment of concrete, it provides information about the different steps of the investigation and processing of test results, until the delivery of strength estimates, and includes tables giving the minimum required number of cores in a variety of situations as well as several exam
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