fist-bump greeting, with various theories as to origin and name meaning. In U.S. popular black culture by 1972 and controversial during the Vietnam War when used by U.S. soldiers, as it often was regarded by whites as a ritual act of black solidarity. Probably imitative (dap was used in 19c. for the bounce of a ball or the skip of a stone on water). Dap, meanwhile, is listed in the DAS as black slang c. 1950 for "aware, up to date," also "stylish, well-dressed," in the latter case at least a shortening of dapper.
双语例句
1. Like DAP, LDAP was designed to extract information from hierarchical directories.
像DAP那样, LDAP被设计以从层次结构的目录中提取信息.
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2. Conclusion DAP can enhance CTL activity in mice sensibilized by B 16 cells.
结论DAP可增加B16细胞致敏小鼠脾脏T细胞 比例及提高CTL杀伤活性.
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3. The Practice and Study of DAP Production with Blended Rock ( to be continued )
配矿生产DAP的实践和研究 ( 待续 )
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4. Limited MAP - DAP capacity expansions, outside China , are foreseen during 2008 and 2009.
2008年和2009年预计中国以外的MAP-DAP的供应增长能力有限.
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5. Curing reactions of diallyl phthalate ( DAP ) resin were studied by differential scanning calorimetry ( DSC ) .
