1、
As things cool down, the liquid outer core freezes into the solid inner core.
随着很多物质冷却下来, 液态的外核冻结在固体内核上.
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Evidence indicates that outer core is about twice as dense as the material in the mantle.
有证据表明,组成外核的物质的密度是组成地幔的物质的两倍.
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The inner core yarn uses high performance fiber outer wrapped yarn is a hot-melt fiber.
它是以高性能纤维为芯纱、热融纤维为包缠纱,通过二维编织工艺加工而成.
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