SECOND
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čĒæŗ
SECOND(serial_number)
serial_number æ¯ä¸åäŊįēæéåŧįåé˛äŊæ¸åīŧæēčĒį§éæ¸č¨įŽã
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=SECOND(NOW()) åŗåįŽåį§é
čĨ C4 įå §åŽš = 12:20:17īŧå =SECOND(C4) åŗå 17ã