stand age 中文意思是什麼

stand age 解釋
林分平均年齡
  • stand : vi （stood ）1 站立，站起來 （up）; 站住，站定 （opp sit lie kneel couch squat）。2 （房子等）在...
  • 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...
  1. According to the law of different forest stand can arise different forest fire, based on the existing forest distribution at the badaling forestry center, the area percentage of different forest types, forest age, crown density and slope for each sub - compartment were analyzed, and based on the different characteristics of each sub - compartment, some rational methods of fire prevention were put forward

    摘要本論文基於不同的林分能引起不同的林火特性規律，針對北京八達嶺林場林分狀況，統計分析了各林班不同林分類型、林齡、郁閉度、坡度的面積分佈百分比，根據不同林班林分特點，提出了合理的營林防火措施。
  2. In recent years, research on learning activities has prevailed the world and found its way in some front subjects, however much of its production has not been introduced to the pedagogic study and practice. problems stand out in that there is low learning efficiency in study of students at large and the pattern of the course design, teaching approach, and education evaluation method are comparatively demoded with the coming of the information age, historic changes in both life style and learning style are highlighted

    近幾年來，對人類學習活動的研究雖然已經發展成為當今世界多學科交叉的前沿課題，但多數研究成果尚未引入教育理論與實踐中來，教育行政部門、學校和教師幾乎沒有考慮如何通過培養來提高學生的學習能力，致使目前學習方式與課程、教學、教育評價模式都比較落後，學生學習效率普遍比較低，無法適應時代的要求，這種狀況在我國表現得很突出。
  3. It is important for human beings to keep soberminded about the age - old drive to look beyond the place where you now stand

    不安於現狀的慾望由來已久，人皆有之，但重要的是要對它保持清醒的頭腦。
  4. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明： （ 1 ）從落葉松幼齡林到中齡林，隨著林冠的郁閉和林下植被蓋度的急劇下降，林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢，而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢；從中齡林到近熟林，由於撫育間伐，林分密度及郁閉度下降，林下植被蓋度逐步得到恢復，根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢；從近熟林到成熟林，隨著林齡的增大，根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢，而根際與非根際土壤全磷含量、土壤酸度（特別是交換性鋁）和容重呈增加趨勢。
  5. We choose the forest appearance tidiness, representative stands serving as standard plots, 40 stands were set up at qinling, hanzhong, huanghong in shaanxi respectively, measure every tree in the stands, measure the actual increase by the dominance tree, the time series model of individual age and diameter of quercus variabilis was established according to the actual diameter of quercus variabilis population by the fluctuant time series, the comparison of simulation and reality value of the every stand of quercus variabilis population diameter increase through the four models, the average simulation difference within 1. 5 %, the accuracy is 97. 8 % the simulation effect is better

    在陜西的秦嶺、漢中、黃龍地區選擇林相整齊、有代表性的地段作為標準地，設置樣方40個，對各樣方內的林木進行每木檢尺，通過優勢木解析的方法，測得栓皮櫟種群胸徑的實際生長量，運用起伏型時間序列分析，建立了栓皮櫟種群個體年齡與胸徑生長的時間序列模型，四個模型所得的各個樣地栓皮櫟胸徑生長的模擬值與實際值進行比較，其模擬平均誤差都在1 . 5 %以內，平均精度達到97 . 8 % ，模擬效果較好。
  6. The study has investigated and compared soil physical, chemical, biochemical properties of eight stands on paired sites in mountainous regions of northeastern china, trying to look for the mechanism of soil degradation and the change trend of soil properties in different age of plantations in relations to forest productivity. the eight stands are 4 first rotation of larix olgensis plantations with different age classes, the second rotation of larix olgensis young stand, pinus sylvestris var

    本文通過固定和典型樣地，對東北山地不同生長發育階段落葉松人工林和二代落葉松幼齡林以及與二代落葉松幼齡林同一塊林地的樟子松幼齡林、天然次生林、落葉松水曲柳混交林等8個林型土壤質量進行了對比與分析，深入探討了落葉松人工林土壤質量降低的機理和不同發育階段土壤質量變化規律以及與森林生產力變化的關系，並提出了林地土壤質量調控措施。
  7. Stand to reason, kind and be responsible. my busband dead four years age. i hope to find a man that we can love each other just like my former husband

    要求：知書達理，人品要好，有責任心。我是四年前失去我親愛的丈夫的，我希望能找到一個象他一樣他愛我我也愛他的人。
  8. The article states the theory of moral governing and law governing that means in the present age of china socialist law and socialist moral are accordant virtually. reflecting the benefit of most people, they are superstructure that stand on the basis of socialist economy and serve for socialist economy

    根據這一原理，結合文獻分析法，文章主要論述了：當代中國德法兼治理論，即社會主義法治和社會主義德治在實質上是一致的，都是最廣大的人民群眾利益的反映，都是建立在社會主義經濟基礎之上的上層建築，共同為社會主義經濟基礎服務。
  9. Spatial heterogeneity of top soil moisture in different stand age of salix psammophila in mu us sandy land

    耕作方式及茬口對小麥播前土壤貯水量的影響
  10. In china, every citizen who has reached the age of eighteen has the right to vote and stand for election.

    在中國，凡年滿十八歲的公民，都有選舉權和被選舉權。
  11. Haizi can undoubtedly exactly can ' t be ignored most in this age ， but the also easiest poet ignored ， his life destitute but silence, he has defended his poem position with his life ， he stand fast at poem bottom line of him with life of him ， so word is it describe poet haizi is it praise to pass absolutely not too to come with “ great ” ， “ lofty ” person who praise highly

    海子無疑又正是我們這個時代最不能被忽視，然而又最容易被忽視的詩人，他的一生窮困而沉默，他用他的一生捍衛了他的詩歌立場，他用他的生命堅守了他的詩歌底線，因此用「偉大」 、 「崇高」等盛贊性詞語來形容詩人海子也絕非過譽。
  12. In the cemetery, age - old trees stand in great numbers, pines and cypress are tall and straight, the surroundings are quiet

    陵園內古木林立，松柏挺拔，環境清幽靜謐，氣氛莊嚴肅穆。
  13. 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。
  14. To stand in true relations with me in a false age is worth a fit of insanity, is it not ?

    在虛偽的年代維持人之間的真誠關系簡直不正常，難道不是嗎？
  15. Valentines used to be reserved for young lovers, but nowadays grandparents, cousins, friends or even acquaintances of any age take the occasion to express their affection through a small gift or a card which can be found at every stationery store, book shop and news stand

    情人節禮物過去是年輕戀人的專利，但現在祖父母、兄弟姐妹、朋友乃至任何年齡的熟人都會利用這個機會，通過送小禮物或者文具店、書店、報攤隨處可見的賀卡來表達感情。
  16. Six ariables stand out as important indicators of risk : ( 1 ) adanced age, ( 2 ) low preoperatie red blood cell olume ( preoperatie anemia or small body size ), ( 3 ) preoperatie antiplatelet or antithrombotic drugs, ( 4 ) reoperatie or complex procedures, ( 5 ) emergency operations, and noncardiac patient comorbidities

    它突出了作為重要風險指標的六個參量： （ 1 ）老年， （ 2 ）術前低血紅細胞比容（術前貧血或小體型貧血） ， （ 3 ）術前應用抗血小板或抗血栓形成藥， （ 4 ）再手術或復雜手術， （ 5 ）緊急手術， （ 6 ）非心血管病人的共病。
  17. Six variables stand out as important indicators of risk : ( 1 ) advanced age, ( 2 ) low preoperative red blood cell volume ( preoperative anemia or small body size ), ( 3 ) preoperative antiplatelet or antithrombotic drugs, ( 4 ) reoperative or complex procedures, ( 5 ) emergency operations, and noncardiac patient comorbidities

    它突出了作為重要風險指標的六個參量： （ 1 ）老年， （ 2 ）術前低血紅細胞比容（術前貧血或小體型貧血） ， （ 3 ）術前應用抗血小板或抗血栓形成藥， （ 4 ）再手術或復雜手術， （ 5 ）緊急手術， （ 6 ）非心血管病人的共病。
  18. With the advent of knowledge economy age, hi - tech enterprises are becoming headspring of economic growing, which stand for the advanced science and creative technology

    隨著知識經濟時代的到來，高新技術企業已經成為一個強有力的經濟增長源泉，代表著先進科學與生產技術。
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