This paper concentrates on the problem of the wave resistance of a catamaran .
因此，研究考虑方艉影响的高速双体船兴波阻力问题具有实际意义。
The reports said it was very big, shaped like a catamaran and was completely silent.
这些报告声称有一个巨大的、外形像双体船的U FO，而且完全没有声音。
The reports said it was very big, shaped like a catamaran and was completely silent.
这些报告声称有一个巨大的、外形像双体船的U FO，而且完全没有声音。
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