present yield 中文意思是什麼
present yield
解釋
畜積-
In my present study, changes in structure and function of all parts of non - leaf organs ( culms, paleae, lemmas, awns, and glumes ) were investigated during a series of developmental stages and in various cultivars. characterization of the culms of lodging - resistant wheat varieties lodging is a potential cause of yield reduction in cereal crops ( crook et al, 1994 )
其中，比較分析了非葉器官葉綠體超微結構的差異，測量了非葉器官的放氧和低溫熒光等生理指標，嘗試從結構與功能相結合的角度，探討非葉器官在提高作物產量中所起的重要作用。 -
Barley yellow dwarf virus often leads to a serious loss in the yield of wheat. but at present, we have not find excellent genes resistant to bydv in wheat, so transferring the excellent genes from relatives to cultivars of wheat will be a good method
因此，植物耐鹽、耐黃矮病、耐蚜蟲等機理和相應耐性植物的培育，乃至相應耐性相天基因的分離與克隆及其基因工程育種的研究正在受到人們越來越多的關注。 -
Abstract : in accordance with the problems in the system of well storing rainfall at present, based on the experiments of artificial simulating rainfall, and assistance with the measures of natural rainfall, the relationships among the surface runoff yield, silt concentration, catching runoff efficiency and the material of surface, slope gradient, rainfall intensity are analysed systematically. then, the best slope gradient and material of surface are chosen, in condition of which surface rainfall yield is the largest and silt concentration is the smallest. this is a beneficial study for the practical use of the rainwater catchment plot in furture
文摘:針對當前旱井集雨系統存在的問題，利用人工降雨試驗，並輔以天然降雨觀測，系統分析了旱井集流區的產流量、含沙率、集流效率與下墊面材料、坡度、降雨強度的關系，進而選出了最優坡度及最優下墊面材料，為今後旱井集流區的應用研究做了有益的探討。 -
The developing direction of citrus production at present and future in china has been suggested by considering and analyzing the plant area, yield, export, process, structure, economic development tendency and consume habit of china and other countries
、世界柑橘加工業的主體是橙汁生產，美國和歐洲的柑橘汁市場日趨飽和，但在亞洲卻出現了上升勢頭。我國年人均柑橘汁消費量僅為世界人均消費量的1 / 30 。 -
Under present condition, henan cotton has no price advantage. therefore, the countermeasures of henan cotton under the frame of wto are following : first, improve the per unit area yield, especially paying much attention to the application of science and technology
目前，尤其是2001年，國內棉花價格已經很低，生產成本的提高和棉價的降低必將損害棉農的利益，從而不利於棉花生產的發展。 -
According to the cost and yield level of wheat production in jiangsu province and considering the theory of price and profit demand of 100 yuan / mu, it was reasonable that wheat price in jiangsu province should be more than 1. 01 yuan / kg at present
揚州大學碩士論文5 .根據江蘇省小麥生產的成本投入和產量水平，結合經濟理論價格和百元畝效益價格要求，江蘇市場小麥目前合理的價格水平應穩定在1 -
A few visits to web - based public directories ( or local libraries and records offices ) can yield addresses and phone numbers past and present, date of birth, employers, mother ' s maiden name and similar vital personal data
只要到網路上的公共電話簿（或者是當地的圖書館及檔案室）走一遭，就可以得到某人過去和現在的地址及電話號碼、出生日期、僱主、母親結婚前的姓氏，以及其他重要的個人資料。 -
The present situation of the protecting farming of the high yield field in longkou city. longkou city is a main grain - producing district in jiaodong peninsula of china, the protesting farming always takes the first place in shandong province
結果分析如下: 1 .龍口市糧食高產田保護性耕作實施現狀龍口市是我國在膠東半島的糧食主產區，糧食保護性耕作一直走在全省的前列，糧食生產以小麥、玉米、大豆和花生為主，農業生產條件發達。 -
The experiment calculate, arranges and analyzed the present situation, the main problems and the developing tendency of the protecting farming of two crops a year in the high yield field in longkou city, and this experiment raised the best protecting farming system which can improve the grain growing of the high yield field, the results are as follows : 1
本試驗根據核心區試驗數據和大田示範情況以及龍口市多年的統計數據，計算、整理、分析了龍口市糧食高產田一年兩熟保護性耕作的現狀形勢、存在問題和發展趨勢，提出了提高龍口市高產田糧食種植的最優保護性耕作制度。 -
Consequently, the core policy should be stability of macroeconomy - decreasing present high inflation ; guaranteeing the real yield rate of domestic money ; decreasing the internal impetus to substitute currency, etc. among them, " no action " theory is prime essential
這一攬子的解決措施之核心就是降低通脹，維護本幣的真實收益率，減少貨幣替代的可能性和危害性，其中反替代的「無行動區間」尤具有重要的政策啟發意義。 -
Conservation tillage method is being adopted and extended gradually at the present time in northern arid and semi - arid regions of china as a effective method to solve those problems in crop production, like poor grain yield, limited utilization ratio of precipitation, serious soil erosion and low mechanization level
針對我國北方旱農地區糧食產量低而不穩、土壤侵蝕日趨嚴重、機械化水平不高等普遍性問題，目前正逐步推行保土保墑的保護性耕作方法。 -
The germplasm of medicinal plant is the key in the course of plant medicine producing. lt has direct relation to cultivation of medicinal plant and the quality of crude drug. at present, there is a large - scape area in the cultivation of dioscorea plant with high diogenin, but for neglecting the unstability of germplasm and breeding of valuable cultivars, the quality is not enough to use as crude drug, which lead to supply falling short of demand. therefore, keeping stability of good germplasm, as well as breeding new dioscorea cultivars with high diogenin and yield is urgent and valuable to study
在我國，盾葉薯蕷和穿龍薯蕷等因為較高的薯蕷皂甙元含量，都有很大的栽培面積，但作為原料藥其產量和質量並未達到植物藥生產所需，導致市場供需矛盾十分突出，就是因為只簡單地將野生資源挖回來種植，忽略了種質的不穩定和有栽培價值的品種的培育，因而保持優良種質的穩定性和培育高含量、高產量的薯蕷新品種是一個緊迫而又有價值的研究課題。 -
Aiming at the present low efficiency of well irrigation works and through pumping tests and theoretical analysis, the paper derives a method for calculating the optimum water yield, the best lifting distance and economic pipe diameter of low pressure pipe delivery system of irrigated area by wells, increasing the efficiency of motor - pumped wells
針對目前井灌工程效率低下的問題，通過抽水試驗，經過理論分析，推導出了井灌低壓管道輸水灌溉系統的最優出水量、最佳揚程和經濟管徑計算方法，從而可提高機井灌溉效率。 -
7. in order to keep the balance of wheat supply and demand in jiangsu province under the grain yield level at present, 25 * 106mu wheat was the safety line, and 20 * 106 mu wheat was the safety boundary line
7 .研究分析還認為，要保證江蘇小麥生產的供需平衡，單產穩定在目前的水平，則全省小麥種植面積2500萬畝是其安全保障線，進一步下調至2000萬畝則是安全警界線，特大豐收年，可基本維持供需平衡，災年則需大量進口小麥滿足市場需求。 -
The annual yield of grass carp covers 20 % in total output of the fresh water fish, which is fast growing and tastes delicious, besides, the forages of grass carp are various, with a lower cost of raising, however, at present, the serious diseaes of grass carp results in a lower survival rate 10 - 15 %, which cause more then billions yuan economic losses per year to the fresh water cultiuation, especially, hemorrhagic virus of carp lasts for a long period of time and features a high death rate, therefore, it " s a woed - wide problem for the aquacultural scientific researchers to discover an effective settlement, which is still under the discussion
其生長快、飼料來源廣、飼養成本低和肉味鮮美。但草魚病害多，危害嚴重，目前草魚由苗種養至成魚的成活率僅為10 - 15 ，每年給我國淡水養殖業造成數億元經濟損失。特別是病毒性的草魚出血病，流行季節長，發病死亡率高，因此，對草魚出血病的有效防治一直是世界各國水產科學工作者艱苦探索而又未能找到理想解決辦法的世界性難題。 -
By using a cell equivalent method, the present model can deal with the face - center square structure of erf. combining the scheme of the classical conductivity model for the single - chain structure, a new formula for the prediction of the shear yield stress of erf is set up. the influences of the separation distance of the particles, the volume fraction of the particles and the applied electric field on the shear yield stress are investigated
在電導模型的基礎上，建立在電流變液體在外加電場的作用下，粒子之間會形成某種特定的微觀結構，利用等效胞元的方法，將這微觀結構等效成一個平板，建立了等效的微觀結構平板模型，通過計算電流變液體內部的局部電場，對電流變液體的工作機理和剪切屈服應力進行了預測，並且分別考慮了在不同的粒子間距、不同的粒子濃度、不同的外加電場的情況下，對剪切屈服應力的影響。 -
In many european countries ( the soil of which possesses the same natural fertility as that of england ) the yield at present does not exceed fourfold
有許多歐洲國家，它們土地的肥沃並不亞于英國，但農作物每英畝產量的增加還不到四倍。 -
The price paid upfront is the present value of all the future cash - flows of coupons and principal on matu - rity, discounted at the appropriate interest rate, which is also known as the yield to maturity ( ytm ) of the bond
這筆錢就是投資者將來會收到的利息和到期時會取回的本金的現值，而所用的貼現利率就叫做「到期利率」 。 -
Distribute the pertinent information of cloth according to authoritative ministry, enterprise bond interest already was made clear should impose income tax, in order to show the distinction that with national debt breed invests, and in principle is told, the method of levy taxes of dividend distribution income that its impose method to should get with investor is same, collect by the tax rate of 20 % namely, do not set case piece dot, when carrying out, by the clique interest firm generation is buckled, but according to handing in place management greatly to appear on the market the concerned department of enterprise bond says, appear on the market at present breed is very few, trade not active also, to its the executive job of accrual levy has not begun, the difference that goes up in yield level about enterprise bond and national debt so, answer to do not have immediate impact with pay taxes
根據權威部分發布的相關信息，企業債券利息已明確是要徵收所得稅的，以示與國債品種投資的區別，且原則上講，其徵收辦法應同投資者得到的分紅派息所得征稅方法一樣，即按20 %的稅率徵收，不設起片點，執行時由派息公司代扣，但據深交所治理上市企業債券的有關部門稱，目前的上市品種很少，交易也不活躍，對其利息征稅的執行工作還未開始，所以有關企業債券與國債在收益率水平上的差別，應與納稅不納稅沒有直接關系 -
Many study in theory and experment about the capability of shear - reist of anchored jiont have been done, but many study in theory did n ' t consider the influence of shear dilatatility of joints and has some problem when utlizing the mises yield criterion, in addition, there is n ' t accordant opinion about the optimum shear - resist installed angle at present
錨桿在節理處的抗剪性能，理論和實驗研究做的比較多，但許多理論研究沒有考慮節理的剪脹效應或者在對錨桿應用mises屈服準則的時候存在一些問題。關于錨桿抗剪的最優安裝角目前也尚未有統一的定論。
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