短語詞組短語linear time trend [經]線性時間趨勢;趨向linear -trend removal 線性趨向去除linear arithmetic trend line [經]線性等差趨勢線linear semilogrithmic trend line 線性半對數趨勢線Linear r trend 線性趨勢linear growth trend 線性增長趨勢linear trend model 線性趨勢模型;模式linear trend estimate value 線性傾向估計 返回 linear trend