For example, there was lots of porcelain in a Sweden commercialship named Gtheborg, which sank more than two hundred years ago.
例如。一艘名为哥德堡的瑞典商船大约在两人百多年前沉没，它上面有很多瓷器。
2
Structure direct calculation methods have succeed in commercialship design, but in the naval ship design, it still underway, there have no guidelines for direct analysis in our naval ship rules.