That time frame matches the 33-day rotation of the solar core.

这个时间框架与太阳核心的33日的旋转周期相符。

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That core, calculation suggests, takes up around 60% of the planet's volume, making it far larger than the cores of Venus, Earth and Mars, the solar system's other rocky planets.

由计算结果推测，地核占整个星球60%的体积，远比太阳系其他岩制行星，如金星，地球，火星中的比重大。

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Solar photovoltaic wind power inverter is the core of the system components.

太阳能逆变器是光伏风力发电系统的核心部件。

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Electron-neutrinos are created in the thermonuclear reactions at the solar core.

BBC: SNO, SNO

Like the solar cover, it is separate from the core tablet but connects via a port.

FORBES: A Look At OLPC's XO 3.0 Tablet's Solar And Kinetic Chargers

The company is seeing weakness in its core business, as well as soft demand for both solar and flat-panel equipment.

FORBES: Applied Materials Q4 Edges Ests; Outlook Weak; Shrs Slip