求翻译：在学习上，我刻苦认真，在物流工程专业学习之余辅修国际经济与贸易第二学位，并取得优异成绩。同时自学能力较强，在课余时间通过了国家计算机二级VB、三级网络技术，物流师，国际商务单证员，会计从业资格考试。是什么意思？

In his study, I seriously hard, in addition to logistics engineering major second degree of the minor in international economy and trade, and achieved outstanding results. Also self-study ability, strong in their spare time by the national computer-VB, three-level network technology, the Logistics D