一段时期

• It must be the most popular topic for network area in following years
  这将是最近一段时期网络界最热门的话题之一。
• How do the sales of different bike models interact over time
  不同型号自行车的销售量在一段时期内是如何相互影响的？
• We will need some time to adjust our mentality to its normal state
  我们还得经过一段时期的心理建设,才可能恢复常态。
• This difficult economic situation will continue well into 1999
  经济的困难还会持续一段时期，明年的情况亦令人难以乐观。
• This difficult economic situation will continue well into 1999
  经济的困难还会持续一段时期，明年的情况亦令人难以乐观。
• The number of different persons or households in an audience over a specified period
  一段时期内的不同的个人或家庭受众
• Once whales wear hunted for whale - bone as well as for blubber
  曾经有一段时期，捕鲸不仅仅是为了它的鲸脂，也为了它的骨头。
• Once whales were hunted for whale - bone as well as for blubber
  曾经有一段时期，捕鲸不仅仅是为了它的鲸脂，也为了它的骨头。
• They are free to run for office or serve as appointed public officials for a time
  他们可以竞选公职或被任命担任一段时期的官职。
• Her year of voluntary work abroad helped her to find herself as an individual
  在国外一段时期的志愿工作帮助她发现她自己的个体。