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- The census results show that big changes have taken place in the population's age composition. 这次人口普查反映出中国人口年龄结构发生了较大变化。
- The relationship between mouth width and fish age in days was expressed as: y = 0.2327e00682x (R2 = 0.9492). 口径的大小变化与日龄的关系是:y=0.;2327e~(0
- The number of people searching for work in a less developed country depends primarily on the size and age composition of its population. 在欠发达国家中,寻求职业的人数主要取决于该国人口数量的多少与年龄结构。
- Results The academic background,technical title,age composition,and gender proportion of nurses in 34 hospitals in Shanghai were summarized. 结果总结上海市34所医院护理人员的学历、职称和年龄结构及性别比例情况。
- The experimental population dynamics were also simulatied by means of Leslie matrix model on the basis of estimating the stable age composition of Ummeliata insecticeps (Boes. et Str.) in the paper. 文中还在实验种群稳定年龄组配测定的基础上;应用Leslie矩阵模型模拟实验种群动态;并建立种群增长模型:N=105.;3318e~(0
- Fish were surfacing to catch insects. 鱼浮到水面上捕捉昆虫。
- According to Beverton-Holt dynamic model,the optimum fishing age of Argyrosomus argenrtatus should be larger than 1.90 and 1.95 years old,and the optimum body-length should be above 211 mm and 168 mm,respectively. 根据Beverton Holt动态综合模型;建议北部湾和陆架区白姑鱼的最适开捕年龄应大于1 90和1 95龄;相应的开捕体长大于2.;11和16 8mm
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- the age composition and family size of the Athenian citizens. 雅典公民的年龄构成和家庭人口规模
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- Fish doesn't go well with mutton. 鱼和羊肉在一起不好吃。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- The fish plopped back into the river. 那鱼扑通一声跃回河中。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- They were standing in the river spearing fish. 他们站在河里叉鱼。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- You were specifically warned not to eat fish. 已经特别叮嘱过你不要吃鱼。