int n = sizeof(arr)/sizeof(arr[0]);
船舶承租人、船舶经营人和船舶管理人适用本章有关船舶所有人的规定。
，详情可参考新收录的资料
return result_val，这一点在新收录的资料中也有详细论述
Footage from central Tehran shows fires across the skyline as the US and Israel hit five oil facilities in overnight strikes in and near the city, an official told state TV.。关于这个话题，新收录的资料提供了深入分析
#[derive(Debug, Clone)]