课题

• Food is a recurring theme throughout this book .
  食物是自始至终贯穿着本书的，反复讨论的课题。
• It is the most important topic on earth: world peace .
  在尘世上最为重要的一个课题：世界和平。
• Her research is center on the social effects of unemployment .
  她的研究课题是失业对社会的影响。
• Ecology as a subject has many stimulating characteristics .
  生态学作为课题具有许多有兴趣的特点。
• The subject is far flung and at times ill-defined .
  这一课题的领域非常庞杂宽广，且常常杂乱无章。
• The theory of tidal friction is the concern of dynamic oceanography .
  潮夕摩擦理论是海洋动力学的课题。
• This topic will be discussed in the concluding section of this chapter .
  这个课题将在本章最后一节讨论。
• This book is an attempt to provide a basic introduction on the subject .
  本书试图为这一课题提供一个基础入门。
• Due to limitations on space, many topics of actual have been left out .
  因篇幅所限，有很多实质性的课题都被略去。
• Environmental education is intended to give these topics more coherence .
  环境教育的目的是使这些课题更加息息相关。