normal

• They were maintained by normal self-pollination .
  它们保持正常的自花授粉繁殖。
• I was a student in the normal school for five years .
  我在师范学校读了五年书。
• The normal channels of administration were abandoned .
  正规的行政系统被抛弃了。
• Pollen sterile blossoms lack normal turgor .
  花粉不育的花朵缺乏正常的膨压现象。
• He will be able to take up his normal routine shortly .
  他不久就能处理日常事务。
• This is called a normal system of differential equations .
  这称为正规微分方程组。
• Every normal operator is trivially subnormal .
  每一个正规算子显而易见地是次正规的。
• Nipple inversion is quite common in normal breasts .
  乳头内陷在正常乳房中也很常见。
• The sun is a very normal example of the type dg-2 star .
  太阳是非常标准的DG-2类星。
• The hamiltonian is separable in normal coordinates .
  哈密顿在筒子坐标中是可分离的。