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X(,541004)ATIME-DELAYCONTROLLERFORX-RAYUNITXiaoHaifeng(The6thConstructionCompanyoftheCNPG,Guilin)250EG2S2X,,X()X(),,250EG2S2X,1(1),XS2,KV2UNITS,S2,,,X,X,,KV2UNITS,X,,,,,,,,,,2S212,2,:(1)CD4060,,14,10Hz(2)CD40171ö60,0.1min(3),,,(4)CD4017()(5),71422920009NDTVol.22No.9Sep.2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(6)CD4011(7)(8),K-1,,33.13IC1,10HzS1,,1ö60(IC2,IC3)0.1min,IC4,IC5,CD4011,KV2UNITS,XCD4011,K,K-1,,XX49V,12V,K12V,K-1,IC1CD4060,IC2IC5CD4017,S1(),S2,S3(0.10.9min),S4(19min)3.2,,34554,,,,,,,,,,,,,,:1999205227185185712,,185,814:X©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.