Kē / xué / jiā / tōng / guò / Kǎ / xī / ní / hào / chuán / huí / de / shù / jù / yán / jiū / tǔ / xīng / huán科学家通过卡西尼号传回的数据研究土星环。Scientists used data sent back by Cassini to study Saturn's rings.