电子商务具有哪八大功能？

A. 当事人具备相应的民事权利能力和民事行为能力
B. 当事人意思表示真实
C. 手续和程序符合法律的规定和当事人的约定
D. 合同内容不违背国家利益和社会公共利益

A. there are two certificated tankermen on each vessel
B. the vessel is equipped with constant-tension winches
C. discharge containment equipment (i.e. drip pans) are in place
D. All of the above