一旦岩石板块分布发生改变，就有可能对行星的运转速率产生影响，从而改变其自转（也就是一天）的时间长短。
When that distribution changes, it changes the rate at which the planet rotates, which determines the length of a day.
一旦岩石板块分布发生改变，就有可能对行星的运转速率产生影响，从而改变其自转（也就是一天）的时间长短。
When that distribution changes, it changes the rate at which the planet rotates, which determines the length of a day.
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