在公共关系中,将追求平等和双赢作为处理各种关系的行为准则而形成的公关观念,一般称为
A、协调观念B
暂无解析
Thisessayisstilltoolong.I’llhaveto___(short)itbyoneortwopages.
Let’spersonalfeelingsinmakingjudgment.()
Nosooner()hadIreachedhomethanMichaelarrivedwithJaneinhiscar
单色光垂直入射到每毫米500条刻痕的光栅上.若入射光波长为5.0×10-7m,求第二级主极大的衍射角;
We______togotothesupermarketbecausewehadplentyoffood.