{"topic":{"id":7737,"title":"建一个物理交流楼","slug":"topic","categoryId":54,"createdAt":"2023-12-08 11:01:28.774722","bumpedAt":"2023-12-14 16:38:52.937538","views":389,"postsCount":9,"highestPostNumber":9,"likeCount":8,"closed":false,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"内容可能包含 1.近期鼠鼠的物理问题の碎碎念 🫠 （可能临近考试只有这个是主要部分） 2.物理书籍分享 3.物理论文阅读感想（看个乐子就行）","deletedAt":null,"isAnonymous":false,"category":{"id":54,"name":"学术专区","slug":"academic","color":"9EB83B"},"author":{"id":1409,"username":"GGGgundam","name":"Xjp","avatarUrl":"/uploads/image/42/8d/428d1c2fb76ca04854def4890814a7985fd281171ecb82d879e04e46c8808f49.avif"},"tags":[]},"posts":[{"id":18851,"postNumber":1,"raw":"内容可能包含\n1.近期鼠鼠的物理问题の碎碎念 :melt:\n（可能临近考试只有这个是主要部分）\n2.物理书籍分享\n3.物理论文阅读感想（看个乐子就行）","cooked":"

内容可能包含
\n1.近期鼠鼠的物理问题の碎碎念 🫠
\n（可能临近考试只有这个是主要部分）
\n2.物理书籍分享
\n3.物理论文阅读感想（看个乐子就行）

\n","createdAt":"2023-12-08 11:01:28.947776","updatedAt":"2023-12-08 11:06:04.776398","replyToPostNumber":null,"replyCount":0,"likeCount":1,"wordCount":62,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":1,"users":[{"id":1047,"username":"anonymous_coward_old","name":"Anonymous Coward Old"}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1409,"username":"GGGgundam","name":"Xjp","avatarUrl":"/uploads/image/42/8d/428d1c2fb76ca04854def4890814a7985fd281171ecb82d879e04e46c8808f49.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":18857,"postNumber":2,"raw":"OK, here is a physical question: how does she be this cute?\r\n[grid]\r\n![FznaX1XWIAEX-C8|690x387](/uploads/image/29/e3/29e376ad34a4bf1e21592d2408777bc604ef61876a77ee0ea704c71205fa76e7.avif)\r\n![__tachibana_arisu_idolmaster_and_2_more_drawn_by_niii__sample-f0e37175df73ccf4487a70a9cc293b5e|604x500](/uploads/image/fe/53/fe5340f335daf3164fb984d2a47eeec72f4a886a4f587994c468b5c105caad6f.avif)\r\n![FuxBYw3aQAA-Gjg|360x203](/uploads/image/41/fd/41fdcc68a341314a1b8920e6d00f590f86e8de73c7e4cfa456fc1a3745805b94.avif)\r\n![tumblr_9f3ecf6ae0ec991fca7bc70b1bc2340a_5ad59d6a_540|540x342](/uploads/image/f5/ed/f5ed4d5f275e249968d82f4c324df1ed2f6030884296756f980ef9178185fa3b.avif)\r\n[/grid]","cooked":"

OK, here is a physical question: how does she be this cute?

$\"FznaX1XWIAEX-C8\"$
\n $\"__tachibana_arisu_idolmaster_and_2_more_drawn_by_niii__sample-f0e37175df73ccf4487a70a9cc293b5e\"$
\n $\"FuxBYw3aQAA-Gjg\"$
\n $\"tumblr_9f3ecf6ae0ec991fca7bc70b1bc2340a_5ad59d6a_540\"$

\n","createdAt":"2023-12-08 13:51:39.285384","updatedAt":"2023-12-08 14:20:36.112321","replyToPostNumber":null,"replyCount":1,"likeCount":2,"wordCount":18,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":2,"users":[{"id":1409,"username":"GGGgundam","name":"Xjp"},{"id":1850,"username":"Reina","name":"星野露比"}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1047,"username":"anonymous_coward_old","name":"Anonymous Coward Old","avatarUrl":"/uploads/image/43/32/4332638c11248b8ff07033c11de0759a55205facfbec85e14458245a91991faf.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":18861,"postNumber":3,"raw":"po 主怎么看待 Norton's Dome?","cooked":"

po 主怎么看待 Norton's Dome?

\n","createdAt":"2023-12-08 14:22:52.617702","updatedAt":"2023-12-08 14:22:52.617702","replyToPostNumber":null,"replyCount":1,"likeCount":1,"wordCount":8,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":1,"users":[{"id":1409,"username":"GGGgundam","name":"Xjp"}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1047,"username":"anonymous_coward_old","name":"Anonymous Coward Old","avatarUrl":"/uploads/image/43/32/4332638c11248b8ff07033c11de0759a55205facfbec85e14458245a91991faf.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":18875,"postNumber":4,"raw":"很有意思的问题，确实看到出现了奇怪的结果 :melt:\n***\n\n[details=\"以下仅为个人观点\"]\n不过推方程时，那个时间的四次方项不符合初值条件（位置为 0，速度为 0，加速度为 0，加加速度为 0 后面两个是我瞎编的），物理意义上会被舍去\n\n也经常出现推物理方程时根据物理含义消去特殊函数的情况，比如球面波问题，尽管向内传播项数学上满足关系式，但还是会被物理意义上抹去\n[/details]","cooked":"

很有意思的问题，确实看到出现了奇怪的结果 🫠

以下仅为个人观点

不过推方程时，那个时间的四次方项不符合初值条件（位置为 0，速度为 0，加速度为 0，加加速度为 0 后面两个是我瞎编的），物理意义上会被舍去

也经常出现推物理方程时根据物理含义消去特殊函数的情况，比如球面波问题，尽管向内传播项数学上满足关系式，但还是会被物理意义上抹去

","createdAt":"2023-12-08 16:32:30.051071","updatedAt":"2023-12-08 16:46:03.728774","replyToPostNumber":3,"replyCount":1,"likeCount":2,"wordCount":158,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":2,"users":[{"id":1047,"username":"anonymous_coward_old","name":"Anonymous Coward Old"},{"id":1707,"username":"wbzd","name":"我不知道"}],"hasReacted":false}],"wiki":false,"version":3,"publicVersion":3,"deletedAt":null,"isAnonymous":false,"user":{"id":1409,"username":"GGGgundam","name":"Xjp","avatarUrl":"/uploads/image/42/8d/428d1c2fb76ca04854def4890814a7985fd281171ecb82d879e04e46c8808f49.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":19047,"postNumber":7,"raw":"才 12 岁，二次元人均练铜","cooked":"

才 12 岁，二次元人均练铜

\n","createdAt":"2023-12-10 17:01:22.246094","updatedAt":"2023-12-10 17:01:22.246094","replyToPostNumber":2,"replyCount":1,"likeCount":1,"wordCount":11,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":1,"users":[{"id":1409,"username":"GGGgundam","name":"Xjp"}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":true,"user":{"id":2191,"username":"anonymous","name":null,"avatarUrl":null,"admin":false,"moderator":false}},{"id":19172,"postNumber":8,"raw":"你说的对但是似乎可以修改穹顶的形状让例外的解无穷阶可导（）","cooked":"

你说的对但是似乎可以修改穹顶的形状让例外的解无穷阶可导（）

\n","createdAt":"2023-12-12 12:52:38.465768","updatedAt":"2023-12-12 12:53:00.350162","replyToPostNumber":4,"replyCount":0,"likeCount":1,"wordCount":28,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":1,"users":[{"id":1409,"username":"GGGgundam","name":"Xjp"}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1707,"username":"wbzd","name":"我不知道","avatarUrl":"/uploads/image/29/1f/291f099d72b6e1ab6e873cd1b0fe4d2f133a9e713c066ea299ae3040b0e2ef27.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":19320,"postNumber":9,"raw":"现在应该不止 12 了吧？","cooked":"

现在应该不止 12 了吧？

\n","createdAt":"2023-12-14 16:38:52.937538","updatedAt":"2023-12-14 16:38:52.937538","replyToPostNumber":7,"replyCount":0,"likeCount":0,"wordCount":10,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":true,"user":{"id":2191,"username":"anonymous","name":null,"avatarUrl":null,"admin":false,"moderator":false}}],"hasMore":false,"lastReadPostNumber":8,"hasUrlPostNumber":true}