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- The census results show that big changes have taken place in the population's age composition. 這次人口普查反映出中國人口年齡結構發(fā)生了較大變化。
- The relationship between mouth width and fish age in days was expressed as: y = 0.2327e00682x (R2 = 0.9492). 口徑的大小變化與日齡的關(guān)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. 在欠發(fā)達國家中，尋求職業(yè)的人數主要取決于該國人口數量的多少與年齡結構。
- Results The academic background,technical title,age composition,and gender proportion of nurses in 34 hospitals in Shanghai were summarized. 結果總結上海市34所醫院護理人員的學(xué)歷、職稱(chēng)和年齡結構及性別比例情況。
- 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. 文中還在實(shí)驗種群穩定年齡組配測定的基礎上;應用Leslie矩陣模型模擬實(shí)驗種群動(dòng)態(tài);并建立種群增長(cháng)模型:N=105.;3318e~(0
- Fish were surfacing to catch insects. 魚(yú)浮到水面上捕捉昆蟲(chóng)。
- 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. 根據Beverton Holt動(dòng)態(tài)綜合模型;建議北部灣和陸架區白姑魚(yú)的最適開(kāi)捕年齡應大于1 90和1 95齡;相應的開(kāi)捕體長(cháng)大于2.;11和16 8mm
- She was trying hard to disgorge a fish bone. 她拚命想把魚(yú)刺吐出來(lái)。
- the age composition and family size of the Athenian citizens. 雅典公民的年齡構成和家庭人口規模
- He prefers to assort with people of his own age. 他更喜歡與自己的同齡人交往。
- Fish doesn't go well with mutton. 魚(yú)和羊肉在一起不好吃。
- The number of fish in coastal waters has decreased. 沿海魚(yú)的數量已減少了。
- Even the best quality rubber will perish with age. 就是最佳質(zhì)量的橡膠也會(huì )因老化而腐爛。
- The fish plopped back into the river. 那魚(yú)撲通一聲躍回河中。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理學(xué)家。
- The average age of the boys in this class is fifteen. 本班男生的平均年齡是十五歲。
- Education should not be restricted to any one specific age group. 教育不應限制在任何特定的年齡組上。
- They were standing in the river spearing fish. 他們站在河里叉魚(yú)。
- It was difficult to tell his exact age. 很難判斷他到底多大歲數。
- You were specifically warned not to eat fish. 已經(jīng)特別叮囑過(guò)你不要吃魚(yú)。
