crust of iron 中文意思是什麼

crust of iron 解釋
氧化皮
  • crust : n 1 麵包皮 （opp crumb）；乾麵包片；生活口糧，糊口之資。2 外皮，殼；〈美國〉雪殼；【地質學；地理...
  • of : OF ＝Old French 古法語。
  • iron : n 1 鐵。2 鐵器，鐵製品；小刀，尖刀；熨斗，烙鐵。3 〈俚語〉（牛羊身上打的）烙印。4 腳鐐，手銬；馬...
  1. This critical layer surrounds a solid inner core of nearly pure iron that underlies 2, 900 kilometers of solid rock that form the massive mantle and the ultrathin crust of continents and ocean floors

    這關鍵性的外核包覆著幾乎是由純鐵所組成的固態內核，深埋在厚重的地函與極薄的大陸、海洋地殼之下，距離地表的深度約2900公里。
  2. Magma rose from the mantle forms new crust and slowly squeezes old one aside. since the earth s magnetic field alternates from north to south about every 10, 000 years, the iron - bearing minerals in the crust magnetize and " memorize " the direction of the prevailing magnetic field, just like a magnetic tape recording the geological evidence of aeon

    國際天文學聯會international astronomical union由2001年起曾多次就行星的定義作出討論，最終聯會各與會者於2006年8月24日作出共識，定義行星planet為是一顆星體，需附合下面的三個條件：
  3. Iron, in combination, has been calculated to make up about five per cent by weight of the earth ' s crust ; though some have surmised that the unknown depths, if we could explore them, would show a larger proportion of iron

    據估算，鐵化合物約佔地殼重量的5 ，但有人猜測，在地球的未知深處，如果探測得到，可能顯示出更大的含鐵比例。
  4. Earth ' s layered structure - - a relatively thin crust of mobile plates, a solid mantle with gradual overturning movement, and the outer and inner core of molten and solid iron

    地球是分層結構?相對運動變化的板塊薄的外殼，一塊具有逐漸加強的顛覆運動形式的固態硬殼，具有遠離中心的外層和內部熔化的內核和固態鐵。
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