沙士的教训
the lessons learned from the Sars outbreak
负的负二进制进位预看加法器
negative negabinary carry-look-ahead adder
NNBCLAA
使该负责的人负责
lay the blame on the right shoulders
头部其他特指损伤的的后遗症
Sequelae of other specified injuries of head
对空化行为的思考
Thoughts on cavitation behaviors