main sequence
英
美
- 主要序列,主星序
双语例句
- In comparison to their size on the main sequence, the stars now become giants.
同它在主星序上的大小相比，恒星现在就成了巨星。 - When a massive proto -star approaches the main sequence, its surface temperature is low and it can not ionize the ambient gas.
当一个大质量原星接近主星序时，它的表面温度是低的，因而不能电离周围的气体。
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