Which MacBook should you buy?As of February 2026, I think the 15-inch M4 MacBook Air is the best choice for most people. It offers quiet, Pro-level power in a more portable design and at a more reasonable price point. Better yet, it's frequently on sale for under $1,000 at Amazon and Best Buy.
Visualizing quaternions by 3blue1brown A great intereactive introduction/refresher for quaternions. It focuses on intuition rather than mathematical definitions。关于这个话题，搜狗输入法2026提供了深入分析
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第二百九十二条 有关船舶油污损害的请求权，时效期间为三年，自损害发生之日起计算，但是不得超过从造成损害的事故发生之日起六年。，更多细节参见服务器推荐