工程量清单编制的“五统一”是指什么？
On vessels over 100 gross tons，whose responsibility is it to ensure that all able seamen in the vessel’s crew have the documents and qualifications required by law and regulation?（） ["Master of the vessel","USCG Officer in Charge of Marine Inspection","Owner or operator of the vessel","Company's personnel director"]
战勤保障大队泄漏通信安全绳储备数量为2根。
战勤保障大队III类安全吊带储备数量为15套。
孔子十分重视教育，认为“立国”的三大要素是（） ["人口、财富、教育","人口、家庭、教育","人口、资源、教育","国家、社会美德、教育"]
宽带通信技术主要分为哪两个层面的技术？
