theory

• These dynamic theories are the subject of this chapter .
  这些动态理论是本章的主题。
• It begs entirely the difficult theory of limits .
  这个方法完全依赖于深奥的极限理论。
• His theory grew out of observation and compassion .
  他的理论是通过观察和同情产生的。
• Great attention must be paid to linking theory with practice .
  必须注重理论联系实际。
• He has a theory that wearing hats makes man bald .
  他有个见解，认为戴帽子会使人秃顶。
• They reserved the word arithmetica for the theory of numbers .
  他们的算术指的是数论。
• Two approaches are possible in yieldline theory .
  屈服线的理论中可以有两种解决的途径。
• The quantum theory is not just an esoteric addendum .
  量子理论并不只是一个深奥的附录。
• He has established his theory .
  他确立了他的学说。
• Can your theory be proved ?
  你的说法能加以证实吗？