Flippant
发表于 2025-3-21 18:54:18
书目名称Collineations and Conic Sections影响因子(影响力)<br> http://impactfactor.cn/2024/if/?ISSN=BK0229611<br><br> <br><br>书目名称Collineations and Conic Sections影响因子(影响力)学科排名<br> http://impactfactor.cn/2024/ifr/?ISSN=BK0229611<br><br> <br><br>书目名称Collineations and Conic Sections网络公开度<br> http://impactfactor.cn/2024/at/?ISSN=BK0229611<br><br> <br><br>书目名称Collineations and Conic Sections网络公开度学科排名<br> http://impactfactor.cn/2024/atr/?ISSN=BK0229611<br><br> <br><br>书目名称Collineations and Conic Sections被引频次<br> http://impactfactor.cn/2024/tc/?ISSN=BK0229611<br><br> <br><br>书目名称Collineations and Conic Sections被引频次学科排名<br> http://impactfactor.cn/2024/tcr/?ISSN=BK0229611<br><br> <br><br>书目名称Collineations and Conic Sections年度引用<br> http://impactfactor.cn/2024/ii/?ISSN=BK0229611<br><br> <br><br>书目名称Collineations and Conic Sections年度引用学科排名<br> http://impactfactor.cn/2024/iir/?ISSN=BK0229611<br><br> <br><br>书目名称Collineations and Conic Sections读者反馈<br> http://impactfactor.cn/2024/5y/?ISSN=BK0229611<br><br> <br><br>书目名称Collineations and Conic Sections读者反馈学科排名<br> http://impactfactor.cn/2024/5yr/?ISSN=BK0229611<br><br> <br><br>
轻率的你
发表于 2025-3-21 22:20:36
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ARY
发表于 2025-3-22 03:47:00
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dyspareunia
发表于 2025-3-22 05:09:10
Central Collineations: Properties, The collineation is . if there is a ., a point . where all lines on . are fixed, meaning the line is mapped to itself, although individual points on the line need not be fixed. We have seen that a collineation is central exactly when it has a line of fixed points, an ..
glowing
发表于 2025-3-22 09:27:59
,The Geometry of Euclid’s ,,es, modern features that appeared as from nowhere. They may be related. There was the appearance of democracy, in Athens, around 500 BC. Around the same time philosophy emerged, reasoning by evidence and logical deduction about the great questions: what is our world made of, how and why does it chan
亲密
发表于 2025-3-22 14:48:07
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亲密
发表于 2025-3-22 18:28:51
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Bph773
发表于 2025-3-23 00:16:49
Conic Sections in Early Modern Europe. Second Part: Philippe de la Hire on Conics,ne is a conic section. But he immediately moved beyond Apollonius, as had Desargues, by claiming that properties established for the base circle apply to the conic section. La Hire wrote in Philippe de La Hire (., Paris, 1673, p 15), following the first seventeen lemmas, “All that follows is a simpl
Stagger
发表于 2025-3-23 03:36:18
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未开化
发表于 2025-3-23 05:37:19
Foci,celet wrote in his 1822 ., Art. 446: “Although the properties of foci (.) …seem to not be among those we have called ., …they follow nevertheless in a very simple manner from foundational principles ….”