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摘要: Are you satisfied with the campus WLAN? Satisfied \((80\%\sim100\%)\) good \((60\%\sim 80\%)\) moderate \((40\%\sim 60\%)\) not good \((20\%\sim 40\%) 阅读全文
posted @ 2022-05-18 16:08 feicheng 阅读(2) 评论(0) 推荐(0) 编辑
摘要: The two lectures talked about different opinions about the first grain-based food human has ever discovered, the reading material thinks that bread is 阅读全文
posted @ 2022-05-16 11:54 feicheng 阅读(2) 评论(0) 推荐(0) 编辑
摘要: Here is the sycamore street, the most famous street in XJTU. It is popular with both students and teachers, even with tourists. It is said that in the 阅读全文
posted @ 2022-05-10 23:08 feicheng 阅读(5) 评论(0) 推荐(0) 编辑
摘要: To Lili From 何了,戴润航,余天乐。 Date: 2022.4.18 Subject: Paraphrase of the sentences. Then, the question is, are Google's chief cooks enthusiastic about dail 阅读全文
posted @ 2022-04-18 11:56 feicheng 阅读(4) 评论(0) 推荐(0) 编辑
摘要: To Lili From 何了,戴润航,余天乐。 Date: 2022.4.18 Subject: How to paraphrase. How to paraphrase in 5 steps 1. Read the passage several times to fully understan 阅读全文
posted @ 2022-04-18 11:09 feicheng 阅读(4) 评论(0) 推荐(0) 编辑
摘要: In the BBC 6mins English report about blood, the reporter explains blood type and the other meaning of blood type in Asia, especially in Japan. The bl 阅读全文
posted @ 2022-04-13 15:33 feicheng 阅读(3) 评论(0) 推荐(0) 编辑
摘要: Title: Google Canteen, Dining Paradise Topic: Google Canteen Thesis: How Google canteen works and how were they popular. They use the best tools. (par 阅读全文
posted @ 2022-04-11 11:20 feicheng 阅读(6) 评论(0) 推荐(0) 编辑
摘要: Find the ordinary power series generating functions of each of the following sequences, in simple, closed-form. In each case, the sequence is defined 阅读全文
posted @ 2022-03-28 10:30 feicheng 阅读(6) 评论(0) 推荐(0) 编辑
该文被密码保护。 阅读全文
posted @ 2022-03-27 20:37 feicheng 阅读(0) 评论(0) 推荐(0) 编辑
摘要: Description 定义 \(b_n\) 为将有 \(n\) 个集合的元素划分为任意个无序非空子集的方案数(贝尔数),求 \(b_n\bmod {998244353}\)。 多测。 \(1\le n\le 10^5\),\(T=10^3\)。 Solution 发现 \(b_n\) 实际上是一行 阅读全文
posted @ 2022-03-23 15:01 feicheng 阅读(7) 评论(0) 推荐(0) 编辑