Evolution of mollusks proceeded at a uniform rate over time.
"随着时间的推移，软体动物的进化速度是一致的。
The evolution of rotational period and it's rate of pulsar with age is studies.
对脉冲星由于磁辐射使自转周期和周期变率随年龄的演变做了进一步深入研究。
The evolution of rotational period and it's rate of pulsar with age is studies.
对脉冲星由于磁辐射使自转周期和周期变率随年龄的演变做了进一步深入研究。
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