A.氣溫越高,用氣量越大B.氣溫越低,用氣量越小C.氣溫越低,用氣量越大D.氣溫越高,用氣量越低
A.事故調(diào)峰B.季節(jié)調(diào)峰C.月調(diào)峰D.日調(diào)峰
A.時(shí)間序列B.簡單的趨勢外推結(jié)合主觀修正量C.人工神經(jīng)網(wǎng)絡(luò)預(yù)測D.回歸分析預(yù)測