【单选题】下列物理常数的测定中,需要进行大气压力校正的是( )。
【简答题】安庆长江公路大桥及接线工程采用双向4车道高速公路标准,路基与大桥同宽为26m,设计行车速度为100 km/h,总投资估算为13.27亿元。大桥桥位区位于长江下游平原,江北为安庆市,江南为东至县大渡口镇,地势平坦开阔,属北亚热带湿润季风气候区,雨量充沛,梅雨显著,常年主导风向为东北风。 长江安庆段水域是国家一级保护的白鳍豚、中华鲟、白鲟、江豚等野生保护动物的活动通道。安庆水文站位于安庆市上游约400...
【多选题】Nowadays many documents are used in international cargo transportation,some of the documents can be transferred to the third parties and some can not be transferred to the third parties.Please point o...
A.
insurance policy can be transferred to the third parties
B.
insurance policy can not be transferred to the third parties
C.
sea waybill can be transferred to the third parties
D.
sea waybill can not be transferred to the third parties
【单选题】If you have some difficulties ____ your grammar, you had better ask your teacher ____.