有關DF1的精選大全

如圖,矩形ABCD的對角線AC,BD相交於點O,點E,F在BD上,BE=DF.(1)求*:AE=CF;(2)若...
問題詳情:如圖,矩形ABCD的對角線AC,BD相交於點O,點E,F在BD上,BE=DF.(1)求*:AE=CF;(2)若AB=6,∠COD=60°,求矩形ABCD的面積.【回答】:(1)*:∵四邊形ABCD是矩形,∴OA=OC,OB=OD,AC=BD,∠ABC=90°.∵BE=DF,∴OE=OF.又∵∠AOE=∠COF,∴△AOE≌△COF,∴AE=CF...
用DF1造句子,“DF1”造句
DriverdevelopmentforDF1andCDMA/GPRSintegration;BasedonDF1protocol,thedesignandrealizationoftrafficlightscontrolexperimentwerestudiedusingRockwellcontrollerandRockwellsoftware....
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