的扩展dda方法，在日本隧道的破坏过程进行了模拟。
By the extended DDA method, the failure process of a tunnel in Japan is simulated.
如果该项目得到双方政客的点头，这条79英里(128公里)的火车隧道将同时从日本西南部城市唐津和韩国南部港口釜山同时动工。
Should the project get the nod from the politicos, work will begin on joining the southwestern Japanese city of Karatsu with the south Korean port of Busan with a 79-mile (128-km) train tunnel.
日本大世界过山车会出其不意的驶进水下隧道里。
Vanish roller coaster at Cosmo Land in Japan unexpectedly dives into an underwater tunnel.
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