落種密度 的英文怎麼說
中文拼音 [làzhǒngmìdù]
落種密度
英文
seeding density-
" my opinion is, that all these old podestas, these ancient condottieri, - for the cavalcanti have commanded armies and governed provinces, - my opinion, i say, is, that they have buried their millions in corners, the secret of which they have transmitted only to their eldest sons, who have done the same from generation to generation ; and the proof of this is seen in their yellow and dry appearance, like the florins of the republic, which, from being constantly gazed upon, have become reflected in them.
「我的意見是，這些邊關大將，這些節度使。要知道卡瓦爾康蒂曾統領過大軍，坐鎮過幾個省。他們的百萬家財都藏在秘密角落裡，只把這種秘密傳給他的長子，長子再同樣的一代代傳下去，證據就是他們都干黃枯癟，象共和國的金幣一樣，真是愈看愈象。 」Studies by hargrave and geen estimated natural community graz - ing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers
由哈格雷夫（ hargrave ）和吉恩（ geen ）所進行的研究，對自然條件下的群落食草比例進行了估計，其手段是通過測量出實驗室內單獨的浮遊動物種類的結食比例，然後利用已知的食草動物種群密度，計算出實地狀況下的群落食草比例。The paper studies the biodiversity characteristics, the relationship of the biodiversity and ecological process of quercus aliena var
物種多樣性與群落密度之間呈「 m 」型關系。According to basic principle and application experience of black light lamp, the trapping lamps were opened out using the principle of wave, color and taste to trap insect pests imago with the electric networks of frequently vibration and high voltages, it can trap many species and amounts of insect pests, reduce amounts of field ovum, greatly reduce insect pests density, save energy, have low lost, little harm to natural enemy and persons and livestock, have remarkable economic, ecological and social efficiency
摘要借鑒黑光燈的基本原理和應用經驗，再配以頻振高壓電網觸殺的頻振式殺蟲燈，誘集的害蟲種類多、數量大，既大幅度降低了田間落卵量，又顯著減少了蟲口密度；節能省電，成本低；葉昆蟲天敵殺傷力較小，對人畜安全，不污染環境，具有顯著的經濟、生態和社會效益。Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in
同時，研究還表明：調查洞穴的物種多樣性與人口密度、水質成負相關；在一定范圍內，物種多樣性與化肥施用量、土壤肥力成正相關，超過一定的值則成負相關;在人類對地表植被的高強度作用下，物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關，斑灶馬數量與在一定水質范圍內與水質呈負相關，與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為，可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾（或有尾類） 、魚類等作為指示動物對洞穴環境進行監測。Tv and radio stations broadcast news about her activities and teachings. through god s boundless glory, landmarks of enlightenment were erected in cities and countries around the globe, lighting the way for countless lost sheep, leading them to master and back to the kingdom of infinite light. those of us who were privileged to accompany her on the tour to assist with the multitude of tasks required to deliver lectures to thousands of people in city after city, country after country, with no respite between crowded lecture venues, could only look upon master with amazement
1993弘法那百日期間，發送出無以計數的免費樣書傳單及海報，無遠弗屆的報紙廣播電視，載印師父的法相與教理，載播放送師父的法音，以數十種不同的語文，密集地從一個城市到一個城市，從一個國家到一個國家，帶著上帝無限的榮光，在地球的每一個角落，高高樹立起開悟的標志，照亮行路，引導數之不盡的迷途羔羊，走向師父返回光亮的國度。Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable
在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的In order to master the development status completely and actually and further enhance the quality and reputation of the fei cheng peach, this paper investigates the production status, predonderant region and its range and so on. it also puts forward scientific and reasonable development direction and programming for the future continuable development. by investigation and induction, we know that fei cheng city is a particular region which fit to the growth of peach not only because of breed, climate, fertilization and management, but also be relative to the special geology of this region. but there are also many problems in the development of the peach production such as standardization is low, savory has become worse, post - harvest treatment is lagged, technic service is dropped behind
為全面準確掌握肥城市桃的發展現狀，進一步提高肥城市桃產品質量和知名度。本文調查研究了肥城市桃的生產現狀，優勢區域及其范圍等，為今後可持續發展，提出了科學合理的發展方向和發展規劃。經過調查總結，歸納分析，可以看出肥城市生產的桃之所以品優味佳，產量高，除品種、氣候、施肥、管理諸因素外，還與這個地區特殊的地質背景條件緊密相關;由此而形成了獨特的桃樹生長的優勢區;同時，肥城市桃的生產在發展過程中也存在著標準化生產水平低，傳統肥城桃風味變差，采后處理滯后，技術服務落後等問題。In this thesis the problems relative with safe reliability of parachute recovery system of manned spacecraft are commenced, the coning motion of the systems in steady decent are studied emphatically ; in view of multibody dynamics, two different dynamic modeling principles and methods of parachute systems have been discussed, and their dynamic characteristics are analytically compared
本文從載人飛船回收系統安全可靠性緊密相關的問題著手，重點研究了降落傘系統在穩定下降過程中的錐擺現象;並且從多體系統動力學的角度出發，討論了物傘系統的兩種不同動力學建模理論和方法，並對它們的動力學特性進行了分析比較。By testing according to correlation criterions, the performances of jd such as ratio of water - reducing, ratio of compressive strcngth, effect of accelerating and enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and water - tightness etc are all better than that of the traditional melamine resin superplasticizer sm and naphthalene series superplasticizer fdn
按照相關標準進行測試，所開發的改性密胺樹脂高效減水劑的各種性能如減水率、抗壓強度比、早強增強效果、泌水率、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等都遠遠優于傳統的三聚氰胺高效減水劑sm ，也優于萘系高效減水劑fdn 。In the four typical habitats, the sequence of species richness was : pgl ( public green land ) > wtl ( wetland ) > wdl ( woodland ) > al ( agriculture land ), among which pgl and al contained 107 and 76 species, respectively
種類最多的是公共綠地生境，計107種；種類最少的是農田生境，計76種。密度最大的是公共綠地鳥類群落，依次是林地、農田、濕地。The acute toxic effect and subtle toxic effect to the eisenia foetida of four kinds of pesticides in different concentrations were studied
研究了四種農藥對土壤線蟲密度和群落結構的影響。研究結果如下： 1Abstract : based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable
文摘:在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的Spread spectrum technique, which can handle variable adverse environments, exhibits unique qualities that have a number of advantages in anti - jamming, anti - noise, reduction of multi - path interference, low power spectral density, privacy, selective addressing and code division multiplexing
擴頻通信技術具有優越的抗干擾、抗噪音、抗多徑衰落性能，能在低功率譜密度下工作，具保密性、可多址復用和任意選址，能有效克服各種惡劣的通道特性，目前廣泛應用於移動通信、雷達、導航、測距、電力線通信等領域。Based on such background this system brings forward microcomputer monitoring and controlling technique to pvc process in production, researches ipc - plc distributed control system, applies new algorithm of measurement, realizes automatic compensation of dropping of material and automatic amendment of high - speed measurement in the dynamic measurement, improves dynamic measurement precision and speed in pvc continual production. at the same time, this system accomplishes the whole process in airtight pipelines and storehouses, realizes dustless production, clean producing condition, automation, scientific management, meets the demand of modern production, makes some new exploration and creation in production of pvc industry
基於這樣的背景，本論文對pvc塑料生產的整個工序提出計算機監控技術，研製出ipc - plcdcs系統，運用一定的給料演算法，實現系統動態稱量中落差的自動補償與粗流給料設定值的自動修正，提高了pvc連續生產中動態稱量的精度與速度，並將整個生產工藝規劃於密閉管路和各種料倉中進行，實現作業無塵化、環境優化、生產自動化與管理科學化，適應當前現代化生產的需求，為pvc塑料工業的發展作出新的探索與創新。High - effect the light has big power led with solid state and luminosity over 150lm, shining range over 200m, using life over 100000 hours, keeping shine time over 6hours and battery ' s keep on recurring life is around 1000 times
防水抗摔:全密封設計，可在水下50米作業，高硬度合金外殼，且抗摔性達到1米高度跌落不影響功能，耐高低溫，高濕性能好，可在各種惡劣環境條件下使用。Then, base on the determine channel modeling methods, we present a frequency - selective mimo fading channel with von mises probability density function, which is used to characterize non - uniform angle - of - arrival caused by non - isotropic scattering. then we analyze partial cross correlation function of proposed model and proved the model theoretically
然後，通過對其它多入多出通道模型的分析和對比，並基於確定性通道建模方法，建立了一種通用的頻率選擇性多入多出衰落通道模型，藉助「 vonmises 」概率密度函數，以描述非均勻散射體導致的非均勻本地來波方向分佈。In plant - dense habitats, phalanx species with higher ramet density may prevent establishment of other species by seedling and / or vegetative propagules. in a community, the occurrence of monodominant patches of clonal species may lead to a lower species diversity
在高植物密度生境中，高度密集的密集型克隆分株，阻止其它物種的定居，容易形成局部壟斷的格局，從而降低群落物種多樣性。In the aspect of compaction meter, although many factories can manufacture many kinds of vibratory rollers that can meet the needs of industry, the compaction meter is fallen behind and the equipments produced cannot adapt to the needs of quick development of civil road construction
在密實度檢測儀方面，雖然目前國內生產廠家已能生產出多種型號的振動壓路機滿足工程施工的需要，但與其配套的壓實度檢測儀尚顯落後，且已研製的設備不能適應目前國內公路建設迅速發展的需要。分享友人