离子轿车2007年就淡出了市场，两年后，整个土星产品线也随之湮灭。

The ion disappeared in 2007, and the entire Saturn line followed it into oblivion two years later.

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最有可能的解释像是某些物质——围绕土卫五的碎片环——正阻碍离子和电子到达卡西尼。(参见《土星的卫星也许有光环——第一个》。)

The best possible explanation seemed to be that something physical-a ring of debris around rhea-was blocking the ions and electrons from reaching Cassini. (see "Saturn Moon May Have rings-a First.")

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土卫五在土星的磁场范围内运行，它在土星周围创建了一个带电粒子——离子和电子——泡沫。

Rhea orbits within Saturn's magnetic field, which creates a bubble of charged particles—ions and electrons—around the planet.

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