1.  core
2.  root
3.  kernel
4.  steinkern

• 1. 内核: kernel | core | inner core | Trident
• 2. 宏内核: monolithic kernel
• 3. 内核层: inner nuclear layer | Kernel Mode | INL | Linux

更多释义

• 1.我们的大脑由原始的内核和进化程度更高、更具理性的外核组成。
  Our brains are made up of a primitive inner core and a more evolved and rational outer core.
  dict.yoduao.com
• 2.板块运动是地幔运动的表面现象。地幔是位于地壳和金属内核之间的一层厚厚的岩石壳。
  Plate movements are the surface expressions of motions in the mantle—the thick shell of rock that lies between Earth's crust and its metallic core.
  dict.yoduao.com
• 3.地球磁场是由地球外核的熔铁围绕固体内核旋转而产生的；当铁水激增，就会发生磁暴。
  The Earth's magnetic field is generated as the molten iron of the Earth's outer core revolves around its solid inner core; when surges in the molten iron occur, magnetic tempests are created.
  dict.yoduao.com

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