The castle no doubt functioned as a powerful symbol of authority, and few symbols could be better placed than one visible to all shipping using the straits.

多佛城堡无疑是有力的权力象征，让经过海峡的一切航运活动都来见证瞻仰，这真是绝好的象征。

youdao

Article55a passenger ship certificate shall be effective for a period as granted by the shipping administration authority depending on her seaworthiness; however it shall not exceed one year.

第55条(客船证书之有效期间)客船证书之有效期间，由航政主管机关视其适航性核定之。但不得超过一年。

youdao

It is the second time the DEC has issued a charge of pollution with criminal negligence, following charges against the Esperance Port Authority over emissions of lead carbonate during shipping.

这是第二次在12月已发出负责污染刑事疏忽，以下指控埃斯佩兰斯港口管理局超过排放碳酸铅在航运。

youdao

Mr. Wei and other Cosco officials were in the United States to meet port officials in Massachusetts, where they had reached an agreement with the Massachusetts Port Authority to begin a weekly shipping service between Shanghai and Boston beginning next year.

CENTERFORSECURITYPOLICY: Center For Security Policy

Now the Georgia Ports Authority (GPA) wants to dig out Savannah's shipping channel even further, to 48 feet, in order to attract the larger vessels expected to call on east-coast ports once the expanded Panama Canal opens in 2014.

ECONOMIST: Savannah's port