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- The seasonal occurrence of major species were Omobranchus japonicus (BLEEKER), Thrissocles sp. 冬季之仔稚鱼以剑鰶、鰕虎类、石首鱼类和左鲆类为主。
- Bacterial disease of Eriocheir sinensis ra ised in tanks and paddy field was investigated in 6 villages and towns of Chaohu City,Anhui province from 1999 to 2004.The results showed that the bacterial dis ease had seasonal occurrence and prevalence. 1999~2004年对安徽省巢湖市6个乡镇的池塘、稻田养殖的中华绒螯蟹(Eriocheir sinensis)的细菌性疾病流行情况进行了调查研究。
- The area is subject to devastating seasonal winds. 这个地区常遭破坏性季风的袭击。
- Riots are of frequent occurrence in this province. 这省经常发生骚乱。
- Robbery is now an everyday occurrence. 抢劫的事现在每天都有。
- A raincoat is a must in the rainy season. 在雨季雨衣是必备之物。
- His remark shadowed forth some future occurrence. 他的话预示了今后要发生的事。
- The road is only negotiable in the dry season. 这条道只有在旱季才能通行。
- Divorce has become an everyday occurrence. 离婚已成为每天都有的事了。
- Winter is the coldest season in a year. 冬季是一年中最冷的季节。
- It is more a made-up story than a real occurrence. 那是杜撰的故事，而不是真实发生的事情。
- People found casual or seasonal work on farms. 人们在农场上找到临时的或季节性的工作。
- An eclipse is an unusual occurrence. 蚀是不常见的事情。
- The bush was planted early on in the season. 树丛在植树季节一到时就种下了。
- The filly has been raced twice this season. 这匹小牝马本季度曾两次参赛。
- A preceding occurrence, cause, or event. 先前的前面的事件，事情
- The prices of some vegetables vary with the season. 某些蔬菜的价格随季节而变化。
- A significant event, occurrence, or change. 新生事物重大的事件或变化
- A word spoken in due season is pleasant. 合乎时宜的一句话，是令人愉快的。
- The geographic occurrence or range of an organism. 生物的地理分布生物出现或分布范围的地理地区
