watershed

英 [ˈwɔːtəʃed]

美 [ˈwɔːtərʃed]

n.  转折点，分界线，分水岭(标志着重大变化的事件或时期); 分水线; 分水岭; 分水界; (英国)儿童不宜节目可在电视上播放的起始时间

复数：watersheds　

GRETEM8医学

Collins.1 / BNC.14176 / COCA.7689

牛津词典

noun

• 转折点，分界线，分水岭（标志着重大变化的事件或时期）
  an event or a period of time that marks an important change
  1. The middle decades of the 19th century marked a watershed in Russia's history.
     19世纪中叶标志着俄国历史的转折点。
• 分水线；分水岭；分水界
  a line of high land where streams on one side flow into one river, and streams on the other side flow into a different river
• （英国）儿童不宜节目可在电视上播放的起始时间
  (in Britain) the time before which programmes that are not considered suitable for children may not be shown on television
  1. the 9 o'clock watershed
     可开播儿童不宜电视节目的晚上9点钟时限

柯林斯词典

• N-COUNT 转折点;分水岭
  If something such as an event is awatershed inthe history or development of something, it is very important because it represents the beginning of a new stage in it.
  1. The election of Mary Robinson in 1990 was a watershed in Irish politics...
     1990年玛丽·鲁宾逊的当选是爱尔兰政治上的一个转折点。
  2. Tonight could prove to be a watershed for the international career of Barnes.
     今晚将可能成为巴恩斯国际职业生涯的转折点。
• N-COUNT (成人电视节目播出前的)分水岭时间
  The watershedis a time before which television broadcasters have agreed not to show programmes unsuitable for children, for example programmes that contain scenes of sex or violence.
  1. Bad language before the watershed is widely resented...
     在成人节目时间之前出现的脏话深为众人憎恶。
  2. The advert should only be shown after the 9pm watershed.
     这则广告只能在晚上9点成人节目开始后才能播出。
• 分水线；分水岭
  Awatershedis an area of high ground which divides two or more river systems, so that all streams on one side flow into one river and those on the other side flow into a different river.

英英释义

noun

• an event marking a unique or important historical change of course or one on which important developments depend
  1. the agreement was a watershed in the history of both nations
  Synonym:landmarkturning point
• the entire geographical area drained by a river and its tributaries
  1. flood control in the Missouri basin
  Synonym:river basinbasindrainage basincatchment areacatchment basindrainage area
• a ridge of land that separates two adjacent river systems
  Synonym:water partingdivide

双语例句

• Water resources management, watershed planning and water resources sustainable utilization stratagem study.
  水资源规划、流域规划以及水资源可持续利用战略研究。
• Thirdly, this thesis makes a detailed analysis for over-segmentation problem of the watershed segmentation algorithm, and improves this segmentation algorithm.
  然后，详细研究了流域分割算法中的过分割原因，并对流域分割算法进行了改进。
• The meeting has the potential to be a watershed event
  这次会议有可能成为具有转折性的事件。
• The paper studied the soil water status in Pailugou forest and grass complex watershed in Qilian Mountains.
  对祁连山排露沟林草复合流域土壤水分状况进行了系统研究。
• The results show that this method can effectively restrain the over-segmentation of traditional watershed algorithm.
  实验结果表明，该方法和传统分水岭算法相比较，能有效地抑制过分割。
• Project Conservation of Soils and Watershed
  土壤和分水界保护计划
• Bad language before the watershed is widely resented
  在成人节目时间之前出现的脏话深为众人憎恶。
• System approach to watershed development is very important.
  系统方法对流域开发十分重要。
• This has resulted in increased resource extraction from the entire watershed may not be sustainable in the long run.
  因此，从长远来看，人对资源的无止境获取将不利于整个流域的可持续发展。
• A hybrid strategy based on watershed transformation is proposed and applied to bone marrow cell image segmentation.
  提出了一种混合的分水岭变换策略并应用于骨髓细胞图像分割中。