Other opportunities to see the total phase of this eclipse of the Sun were also hard to come by.
看到这次日全食的全食阶段的机会来之不易。
But a partial eclipse phase could be enjoyed over a broader region, including many southern Pacific islands and wide swath of south America.
但日偏食会发生在更宽的区域,包括南太平洋许多岛屿和南美洲多数地区。
The solar dynamic power module proposed for the space station uses the heat of fusion of a phase change material (PCM) to efficiently store thermal energy for use during eclipse periods.
利用相变材料(PCM)的熔化潜热来蓄热可以保证空间站太阳能热动力系统在轨道的阴影期内仍能连续发电。
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