A.22h48m00s(11/2) B.22h50m48s(11/2) C.22h51m00s(12/2) D.23h50m48s(11/2)
A.360° B.360+53.8 C.360+66.6 D.360+59.14
A.恒星時與地球的自轉(zhuǎn)無關(guān) B.恒星時的周期不固定 C.恒星時與地球的公轉(zhuǎn)有關(guān) D.恒星時與晝夜的關(guān)系不固定