quadratic-layer

常见例句

• This layer of rock contains a lot of flint.
  这一岩层中有大量燧石。
• The inner layer of the wall of a spore.
  孢子内壁孢子壁的内层
• There is a fine layer of dust on the desk.
  桌子上有一层薄薄的尘土。
• quadratic layer
  二次层
• The middle, usually fleshy layer of a fruit wall.
  中果皮果皮中间通常含肉较多的那一层
• Their difference is a quadratic residue of 17.
  它们的差是17的平方剩余。
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