age-class 中文意思是什麼

age-class 解釋
齡級
  • age : n 1 年齡。2 成年〈滿廿一歲〉。3 老年，晚年。4 壽命；終生，一生。5 時代，時期，年代。6 〈口語〉很...
  • class : n 1 階級;社會等級。2 學級；班級，年級，級，班；組；（有組織的）講習班；〈美國〉同年畢業班；【軍事...
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  2. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸高斷面積代替種群生物量，分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究，運用改進單純形法對模型進行優化，擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢，南方紅豆杉種群的最大增長速度出現在第10齡級，即胸徑為68 76cm時期。
  3. He had that rather wild, strained, seared marking about the eyes, which may be observed in all free livers of his class, from the portrait of jeffries downward, and which can be traced, under various disguises of art, through the portraits of every drinking age

    他穿著拖鞋和寬松的睡衣，為了舒服，敞開了胸口，他的眼睛露出種種頗為放縱勞累憔悴的跡象，這種跡象在他的階層里每一個生活放蕩的人身上都可以觀察到。自傑佛里斯以下諸人的肖像上都有，也可以從每一個縱酒時代的肖像畫里透過種種的藝術掩飾觀察出來。
  4. The 1st age class rhizome emerges at mid of growing season

    1齡根莖是在生長季中期開始形成的。
  5. The tiller - nodes of 6 species of rhizome grass, including leymus chinensis, hemarthriajaponica, arundinella hirta, calamagrostis epigeios, c. rigidula, hordeum brevisubulatum in songnen plain, can live at best for 2 to 5 years, and do 2 to 4 propagating generations which is the same as the age class of tiller in number. the age structure of population is an increasing model which the young tiller is more than the old at quantity and biomass. during the whole growing season, the age spectrum varies for each species

    松嫩平原，羊草、牛鞭草、野古草、拂子茅、硬拂子茅和野大麥等6種根莖型禾草種群的分蘗節最多可以存活2 5個年度，可以進行營養繁殖2 4個世代，分蘗株的齡級數與分蘗節營養繁殖的世代數相同，在種群分蘗株的數量和生物量上，生長季的各個時期均以幼齡分蘗株占較大比例，呈現為明顯的增長型年齡結構，各種類的年齡譜組成各異。
  6. The negative correlation of the dry matter production to the age class of rhizome indicates level of significance ( p < 0. 05, po. ol ) in leymus chinensis, calamagrostis epigeios and c. rigidula populations

    羊草、牛鞭草和硬拂子茅種群根莖的干物質積累量與齡級間的負相關關系達到顯著和極顯著水平。
  7. The democratic camps hoped the government would introduce tax relief measures for the middle - class, raise the old age allowance and create more jobs

    泛民團體希望政府制定中產寬減稅務措施、增加生果金和創造就業機會。
  8. But different age paragraph level of expenses of spending of worker medical treatment is put in very big difference, as a whole the area writes down account of every worker individual to delimit in cost of affirmatory unit pay when scale, want to consider age factor, those who define different age class is different delimit scale

    但不同年齡段的職工醫療消費支出水平存在很大差別，統籌地區在確定單位繳費記入每個職工個人帳戶劃入比例時，要考慮年齡因素，確定不同年齡檔次的不同劃入比例。
  9. These air pollutant effects can be distinguished from effects of smoking, occupation, age, or social class.

    這些空氣污染物的影響能夠與吸煙的影響、職業、年齡或社會因素的影響區分開。
  10. The rhizome of grass, including leymus chinensis, hemarthria japonica, arundinella hirta, calamagrostis epigeios and c. ? rigidula populations, can normally live for 3 to 4 years which is the same as the age class

    羊草、牛鞭草、野古草、拂子茅和硬拂子茅種群根莖的存活年度一般為3 4年，根莖的齡級數與存活年度相同。
  11. These raise the dog the person, more widespread saying is the person which raises the pet, the social relation more widespread and close, in the network, the streets and lanes, the middle class, all has the important influence, but they to injure the animal the manner to be extremely consistent, but does not like many questions has inthe disparity in age and the social stratum dashes with the difference, raises the pet the person is the noticeable strength

    這些養狗的人，更廣泛的說是養寵物的人，社會聯系更為廣泛和密切，在網路，街頭巷尾，中產階層，都有著重要的影響力，而他們對傷害動物的態度非常一致，而不像很多問題在不同年齡和階層都有沖撞和分歧，養寵物的人是不可忽視的力量。
  12. It was back in california that she embarked on an acting career ; having been in love with the idea of acting since she was five, alba took her first acting class at the age of 12, and nine months later, she landed her first agent

    12歲那年，傑西卡奧爾芭終于得到別人賞識，開始客串電視小角色，並於1993年進軍大銀幕，在處女作camp nowhere中有出色的演出。
  13. The lower gauley is a 12 - mile stretch, rated class iii to v that feels like a watery roller coaster ( minimum age 12 / 14 )

    高利河下段是一個12英里的地段， iii - v級，感覺上是水上過山車（最小年齡12 / 14歲） 。
  14. The average age of the grils in this class is 13

    這個班女生的平均年齡是13歲
  15. Class using the specified maximum age, age control value, and time value

    使用指定的最大生存期、生存期控制值和時間值初始化
  16. The reproductive tiller is obviously higher than the vegetative, and there is little difference among all of age classes reproductive tiller at height and biomass, but the vegetative tiller is decreasing with the increasing age class

    生殖蘗明顯高於營養蘗，但各齡生殖蘗的高度和生產力差異不明顯，營養蘗隨著齡級的增加而明顯下降。
  17. The small fishes, including c. auratus, c. erythropterus, h. leucisculus, p. parva, t. swinhonis and h. swinhonis, were abundant in the catch. p. parva and t. swinhonis had only one age class. the population of a. rivularis and s. nigripinnis had two age classes and most of them were one year old

    魚類資源表現出一定的小型化趨勢，漁獲物中鯽、紅鰭原? 、 （ ?又魚） 、麥穗魚、似（魚喬） 、黃（魚幼）等小型魚類數量眾多，麥穗魚和似（魚喬）僅有1齡，棒花魚和黑鰭?由2個年齡組組成，以1齡魚為主。
  18. C. erythropterus, s. nigripinnis, a. rivularis, p. parva, h. leucisculus, t. swinhonis and h. swinhonisb were abundant. age structures of fishes were mainly 1 age class in the seine. p. parva, t. swinhonis, c. erythropterus and acheilognathinae, including r. ocellatus, r. lighti and p. imberbis, were the numerically dominant species

    用圍網共採到19種魚，其中紅鰭原? 、黑鰭? 、棒花魚、似（魚喬） 、 （ ?又魚） 、麥穗魚、黃（魚幼）等小型魚類居多，以1齡魚為主，紅鰭原? 、似（魚喬） 、麥穗魚和（魚旁） （魚皮）是優勢種群。
  19. Based on the observation data obtained from 69 sampling sites of different age class forests, and by using biomass expansion factor function, the regression equations of stand biomass and volume of the main forest forests in pearl river delta were built, and the regional forest biomass and its dynamics were estimated on the basis of forest inventory data

    摘要利用生物量轉換因子連續函數法，通過69組不同齡級的森林樣地實測數據，擬合了珠江三角洲主要森林類型的生物量和蓄積量之間的回歸方程，並結合3個時段森林清查資料，估算了區域森林生物量及其動態。
  20. Based on long - term site studies and all - around investigation, we ascertained six subpopulations of lilium isingtauense at different altitude, applied gps, gis to make certain the orientation of individuals and mensurated their heights in each subpopulation, and estimated the age class of lilium tsingtauense. at same time some environment factors have been test with which the species growth and development have relationship. lilium tsingtauense, which mainly distributes in mountain lao, is an endemic, rare and endangered plant in china

    我們選擇青島百合作為範例開展植物復合種群的研究，在長期全面調查的基礎上，選擇典型分佈區域設立了研究樣帶，確定了青島百合復合種群的六個局部種群，並圍繞個體生長階段進行了長期的跟蹤調查，應用gps對每株植物的空間位置進行了定位，測定了植株的高度，估測了植株的年齡等，在此基礎上將取得的調查資料與地理信息系統（ gis ）分析工具相結合，對青島百合復合種群進行了較為全面的研究。
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