用“DBD”造句大全，DBD造句
CharacterizationofaNovelDBDAtmosphericPressureColdPlasmaJet;ResearchonNO_xConversionbyDBDNon-thermalPlasmaThemainDBDdischargemodeintheindustrialapplicationsismicro-discharge,whichisthedischargeunitint...
將矩形ABCD繞點B順時針旋轉90°後得到矩形A′BC′D′， 若AB＝12，AD＝5，則△DBD′的面積爲...
問題詳情：將矩形ABCD繞點B順時針旋轉90°後得到矩形A′BC′D′， 若AB＝12，AD＝5，則△DBD′的面積爲( ) A.13 B.26 C．84.5 D.169【回答】C知識點：圖形的旋轉題型：選擇...