科普一个豆知识，当然可能对于去过日本的各位来说已经不算什么了：
正常来说，根据日本总务省“电波三法”中的《电波法》（译为无线电法），没有经过日本 TELEC 认证（即技适认证）的 Wi-Fi、蓝牙和有线网络设备是禁止在日本使用的。
但是对于游客来说，《电波法》第二章第一节第四条其二规定，如果你的 Wi-Fi 设备有 Wi-Fi 联盟认证和欧盟的 CE 认证或者美国的 FCC 认证，或者你的蓝牙设备带有 Bluetooth SIG 认证，那么在90天内是可以使用的，超过90天了就有可能会因为违反《电波法》而被处罚。
BY Chiquitita|奇苦迭塔
The SSE was the first modern stock exchange to open in China, with trading commencing in 1990. It has now grown to become the largest stock exchange in Asia and the third-largest in the world by market capitalization, which stood at RMB 50.6 trillion (US$7.8 trillion) as of September 2021. Stocks (both A-shares and B-shares), bonds, funds, and derivatives are traded on the exchange. The SEE has two trading boards, the Main Board and the Science and Technology Innovation Board, the latter more commonly known as the STAR Market. The Main Board mainly hosts large, well-established Chinese companies and lists both A-shares and B-shares.
In many cases, the content resembled that of the marketplaces found on the dark web, a group of hidden websites that are popular among hackers and accessed using specific anonymising software.“We have recently been witnessing a 100 per cent-plus rise in Telegram usage by cybercriminals,” said Tal Samra, cyber threat analyst at Cyberint.The rise in nefarious activity comes as users flocked to the encrypted chat app earlier this year after changes to the privacy policy of Facebook-owned rival WhatsApp prompted many to seek out alternatives.telegram from cn