zero in 中文意思是什麼
zero in
解釋
觀察打全中的最佳位置-
The study and use of devices utilizing properties of materials near absolute zero in temperature
對材料在接近絕對零度時的特性進行研究和利用的學科。 -
The following phenomenon is desired to seen : with the increase of colliding energy, the net baryon number tends to be zero in the mid - rapidity region
人們渴望在高能重離子碰撞中看到：隨著對撞能量的升高，在反應的中心快度區出現凈重於為零的現象。 -
The senate zero in on the latin-american problem.
參議院集中注意拉丁美洲問題。 -
Service ceiling was 37, 500 ft. the f4f - 3 offered good durability, pilot armor, and a high dive speed. it also had good maneuverability, although it was soon discovered that it could not compete with the japanese zero in this area
F4f - 3有著良好的可靠性和較高的巡航速度，操控性能優異，飛行員有裝甲保護，不過還是遜色於它在太平洋戰爭中的對手日本零式戰斗機。 -
Last night, people living high in the mountains affected by the earthquake, survived another night at well below zero in the snow, " said the world health organization ( who ) director - general dr lee jong - wook after visiting balakot and muzzafarabad
昨晚，生活在受地震影響的高山地區的民眾在零下極低氣溫的雪地中又渡過了一夜， 」世界衛生組織（世衛組織）總幹事李鐘郁博士在訪問巴拉考特和穆扎法拉巴德后說。 -
Analyzing the variation of the nozzle arc parameters at current zero, in addition, analyzing the breaking property of the studied circuit breaker on the basis of the theory
分析了電流過零時噴口內電弧參數變化的原因，此外，從理論上對所研究的斷路器的開斷性能進行了分析。 -
In 1951, h. hopf proved, by associating a holomorphic 2 - differential to each constant mean curvature surfaces in r3, that only compact genus zero surfaces immersed in r3 with constant mean curvature are the round sphere, in chapter two, we consider the same question about the compact 2 - type surfaces of genus zero in s7
1951年， h . hopf發現r ~ 3中每個常平均曲率曲面都伴隨一個全純微分2 -形式，並證明了零虧格的常平均曲率閉曲面一定是r3中的球面.本文的第二章對于獷中零虧格的2型曲面討論了類似的問題 -
Trajectory control algorithm is also presented to make the excursion of flight converge to zero in given limited time during flying. it is mainly used to control and reduce the excursion and crab angle within given limited time when the aerocraft is following the reference flight path
然後本文提出了用於控制飛行器在跟蹤參考航跡過程中出現的航跡偏移和偏航角的航跡控制演算法，該演算法能有效地使航跡偏移量和偏航角在給定的時間約束內收斂。 -
The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro - algae, soil ph value, soil organic matter soil available phosphorus and soil nitrogen. and then, the author put fertile soil, which included micro - algae, proportionally into sterile samples and cultivated them respectively under illumination condition ( micro - algae can live and reproduce ) and dark condition ( micro - algae will die in some time ). the above indices were measured in 0, 30, 60 and 90days respectively, the analyse of the interrelation between the change of micro - algae ' s number and the changes of soil ph value, soil organic matter, soil available phosphorus and soil nitrogen indicated : ( l ) soil micro - algae which were native to fertile soil conld adapt to the changed circumstance and light acted as a decisive role to the distribution of soil micro - algae. under dark condition, the micro - algae ' s number declined gradually and went to zero in the end, while under illumination condition, on the 90th day, the micro - algae ' s number of per gramme was 6 - 7 times more than that of the beginning
本文首先對肥沃土壤與經高溫焚燒后的貧瘠土壤中的微藻數量、土壤ph值、有機質含量、有效磷含量和全氮量進行比較研究，然後將包含微藻的綠化苗圃地肥土按不同比例接種進入貧瘠土樣中，分別在光照條件和黑暗條件下進行培養，在0天、 30天、 60天和90天分別檢測以上指標，比較有光條件和無光條件下，即有藻條件和無藻條件下貧瘠土樣所發生的變化，並分別對微藻數量的變化與土壤ph值、有機質含量、有效磷含量和全氮量的變化之間做相關性分析，以評估肥沃土壤中的微藻接種進入貧瘠土壤后的生長情況以及對貧瘠土壤的改良作用。研究結果表明： （ 1 ）土壤微藻對環境有較強的適應能力，且光照對其分佈起了決定性的作用。 -
On the basis of this, we selected rms as feedback variable and constructed the controller g : add this controller to the right of ion radial self - edlctric force equation like equation ( 1 ). we simulated the motion of ion beam by using muti - paticle code ( partice - in - cell ( pic ) code ). the results demonstrated that the beam halo of five different initial distribution is eliminated well under the same controller. the halo intensity of k - v distribution, water - bag distribution and parabolic distribution and be reduced to zero. in the case of 3 - sigma distribution and full gauss distribution, the result is agree with minimum limitation ( 10 " ) of halo intensity of factual high intensity accelerator
在此基礎上，選擇a為控制變量，構造延遲反饋控制器g ： g （ s glrrms （ s ）一rms （ s ） （ 2 ）同（ l ）式一致，將此控制器函數加在粒子徑向所受束自生場力方程的右邊。利用多粒子數值模擬程序（ pic ）進行了控制試驗。模擬結果表明，用同一個控制器和同一個控制參數即可實現五種不同初始分佈情況下的束運一混飩的有效控制。 -
The judgment of the element to be zero in calculating the energy - hamiltonian - matrix in the crystal - field theory
晶體場理論計算能量哈密頓矩陣中為零矩陣元的判別 -
Now, men, zero in your guns at that ship
喂，伙計們，把炮口對準那艘船。 -
The temperature will stay above zero in the daytime
白天的氣溫將保持在零度以上。 -
Because this facility can provide a large amount of data, you can control the level of trace in order to zero in on the information that you want
因為這個工具可以提供大量資料，所以可以控制追蹤的級別，只獲取需要的信息。 -
To foreground my argument, i shall argue that under appreciated, if not completely overlooked innovations in food storage, processing, transport, preservation, finance, and marketing may have meant more in economic and social terms than the developments agricultural historians have traditionally chosen to zero in on : crop cultivation and the raising of livestock
我將指出：被忽視、甚至被完全無視的食物貯藏、加工、運輸、保鮮、金融、和銷售等方面的各種發明，比農業史學家們傳統地關注的農作物和畜牧業的各種發明可能更具有經濟和社會的重要性 -
The research object in this text is the actual project - - the mansion of yatingyuan ( 40 layers above the ground, 125. 4 meter high ). the structure - design is by satwe and the analysis of the structure dynamic characteristic and earthquake response by sap2000, whose calculation models are set up according to the actual size of the structure. in satwe, the analysis model of beam and column is simulated by frame - element, slab is plane - element, shear - wall is wall - element and slab is infinitely rigid in the internal and zero in the external ; in sap2000, beam and column is frame - element, slab and shear - wall is shell - element and slab is elastic floor
本文以實際工程項目? ?雅庭園商業中心大廈（地面以上40層，建築總高度為125 . 4米）為研究對象，結構設計採用satwe ，結構的動力特性和地震反應分析採用sap2000 。結構satwe和sap2000分析的計算模型均按結構的實際尺寸建立， satwe分析模型的樑柱採用桿元模擬，樓板用薄壁殼元模擬和剪力墻用墻元模擬，樓板平面內無限剛、平面外剛度為零； sap2000分析模型的樑柱採用桿元模擬，樓板和剪力墻用殼元模擬，樓板為彈性板。 -
In the light of the actual situation then ( mainly the community reaction and operation of dcs after reduction of the number of appointed dc seats ), we will decide before end 2011 whether to reduce the number of appointed seats to zero in january, 2012, or to 34 in january in 2012 and then to zero in january, 2016. these adjustments form part of the government s overall package for the 200708 electoral arrangements
此後，我們將在二零一一年底前按當時情況，主要是減少區議員委任議席后，社會的反應和區議會運作的情況，決定是否把餘下的68席委任議席由二零一二年起全數取消，抑或先減去一半至34席，然後在二零一六年取消餘下的34席委任議席。 -
The government will decide in the light of the prevailing situation, which would mainly be the reaction of the community and the operation of the dcs following the reduction in the appointed seats, before the end of 2011 whether the maximum number of appointed dc seats should be further reduced to zero in january, 2012, or to 34 in january, 2012 and then to zero in january, 2016
政府將在二零一一年年底前按當時情況，主要是減少區議會委任議席后社會的反應和區議會運作的情況，決定把委任議席的上限由二零一二年一月起進一步減至零，或在二零一二年一月起減至34席，其後在二零一六年一月減至零。 -
Investors also will zero in on friday ' s report on u. s. employment, which is expected to show the addition of 188, 500 non - farm jobs in june, compared with just 78, 000 jobs in may, according to economists polled by reuters
投資者還將注意星期五公布的美國就業報告，根據路透社對經濟學家的一個測試，市場期待報告將顯示6月份增加188 ， 500個非農業就業職位，相同的數據5月份是78 ， 000個職位。 -
Abstract : a new variable structure model reference adaptive control ( vs - mrac ) scheme is proposed in this paper. by transforming a relative degree one system into a first - order - like differential equation, it is shown that the spr ( strictly positive real ) assumption for reference model or its modified form ( if plant relative degree n * > 1 ) can be removed and the tracking error can converge to zero in finite time or a small residual set
文摘:提出了一種可具有非嚴格正實參考模型的變結構魯棒自適應控制方案，可去除變結構模型參考自適應控制中普遍要求參考模型為嚴格正實或當相對階大於1時參考模型經補償后為嚴格正實的假設.在此基礎上提出的變結構控制律可保證跟蹤誤差在相對階為1時于有限時間內收斂到零，而當相對階大於1時則可使跟蹤誤差收斂到一個殘差集內
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