square ratio 中文意思是什麼
square ratio
解釋
矩形比-
On the ratio inequalities for locally square integrable martingales
局部平方可積鞅的比值不等式 -
And meanwhile, the very next morning after the battle, the french army of itself moved down upon the russians, carried on by the force of its own impetus, accelerated now in inverse ratio to the square of the distance from its goal
而與此同時，在交戰的次日早晨，法國軍隊卻以迅猛之勢，以與距離軍方似乎成反比的加速運動，直向俄軍撲來。 -
At linear stage, the theoretical growth rate for the rt instability in cylindrical and spherical geometries was enhanced ( or reduced ) due to the decrease ( or increase ) in the perturbation wavelength during an implosion ( or explosion ). even in the absence of an acceleration the perturbation could grow in the convergent geometries. the amplitude growth rate was proportional to the cube of the convergent ratio in spherical geometry and to the square of the convergent ratio in cylindrical geometry
在線性階段，已有的研究表明：一方面，在內爆（或外爆）過程中擾動波長變短（或變長） ，使得不穩定性的增長率變大（或變小） ；另一方面，即使不存在界面加速度，界面運動仍然可能導致擾動幅度的增加，柱幾何中擾動幅度的變化速率正比于界面收縮比的平方，球幾何中擾動幅度的變化速率正比于界面收縮比的三次方，並且擾動幅度的變化方式（增加或減少）只與初始時刻擾動幅度的增長速率（正或負）有關，而與界面的運動方向（向內或向外）無關。 -
In this paper, we study an on - line version of the two - dimensional bin packing problem that is the problem of packing a list of rectangular items into a minimum number of unit - square bins in an on - line manner. an on - line algorithm called rtdh ( refined two dimensional harmonic ) is proposed and analyzed. we show that rtdh can achieve an asymptotic worst - case ratio of less than 2. 7687, which beats the best - known bound 2. 85958
目前，對該問題的研究有各種演算法，主要有harmonic和round演算法，本文針對harmonic和round演算法存在的問題，提出一種演算法rtdh （ refinedtwodimensionalharmonic ） ，做了相應的分析，並且給出了該演算法的最壞性能比是2 . 7687的證明，這個結果刷新了目前最好的結果2 . 85958 。 -
It was proved that frequency change square ratio was a parameter for damage location and damage degree in a structure
結果表明，結構頻率的平方變化比是損傷位置和損傷程度的函數。 -
The difference between axial compressive capacity of beam - column joints and that of columns is introduced when joints are strengthened by various measures. influence of shapes, spiral hoops and ratio of beam depth to side dimension of square column upon axial compressive capacity of beam - column joints is discussed. then economy and security of the relative article in current code are demonstrated and the design recommendations of beam - column joints are given
本文通過6個不同強度等級混凝土樑柱節點試驗，了解在不同的加強措施情況下，節點區的軸心抗壓承載力與柱的理論軸心抗壓承載力的差異，探討了角鋼、螺旋箍筋及梁高與柱截面尺寸的比值h c對節點區軸心抗壓承載性能的影響，驗證了我國現行規范有關條款的安全性和經濟性，並且在此基礎上，為不同強度等級混凝土樑柱節點的設計提出了相關建議。 -
Molar ratio of 111 in methanol - dmf mixed solution. single - crystal x - ray diffraction analysis shows that it consists of a cyano - bridged chain structure. the nd atom is eight - coordinate with a distorted square antiprism geometry. each cr
摩爾比為111在甲醇- dmf混合溶劑中自組裝得到。由x -射線單晶衍射結構分析得知其屬于單斜晶系，空間群為 -
The paper shows the research for the division of regional land - use structure in the east of gansu loess plateau according to the dates from the square and ratio of second - class land types of the detailed land - use investigation, adopting the quantified structure analysis method of landscape ecology, taking the longdong region of the upper and mid jinghe river - sheds as an example, through quantitative research of the division of regional land - use structure
摘要根據土地利用詳查變更資料中二級分類的用地面積和比例，採用景觀生態學結構定量分析方法，以涇河中上游流域的隴東地區為例，對土地利用結構的地域分異進行了定量研究。 -
With process data of blast furnace no. 1 in tianjin iron plant, the parameters, ru and sita, of model have been optimized based on criteria of predictability, hit ratio, direction hit ratio and mean sum of square error according to each variable respectively
以可預測率、預測命中率、趨勢預測命中率及平均誤差平方和為評價標準，確定了各影響因素的警戒參數ru和濾波參數sita的優化值范圍。 -
According to guangdong construction department, under the preferential policy, ordinary houses shall coincide with all the following : plot ratio of the residential district is above 1. 0 ; for each apartment, the construction area is below 144 square meters or the indoor construction area is below 120 square meters and the transaction price is at least 1. 44 times less than the average price for houses on the land of the same class
根據省建設廳有關文件精神，享受優惠政策的普通住房標準應同時滿足以下條件:住宅小區建築容積率在1 . 0以上;單套住房套內建築面積120平方米以下或單套住房建築面積在144平方米以下;實際成交價格低於同級別土地上住房平均交易價格的1 . 44倍以下。 -
The long - term examination that is through market, outstanding price ratio of the widespread that sour calcium inplank has got the profession customer, sour calcium in current plank usage in our country is increasing quickly, the national supervisor section has listed as the sour calcium inplank to point development item, current sour calcium inthe plank market increases with every year 20 % speed, anticipating the whole country to use till 2010 the deal can attain 400, 000, 000 square meter
經過市場的長期檢驗，卓越性價比的硅酸鈣板已得到行業用戶的普遍贊譽，目前硅酸鈣板在我國的使用正在快速增長，國家主管部門已將硅酸鈣板列為重點發展項目，目前硅酸鈣板市場以每年20 ?的速度增長，預計到2010年全國使用量可達到4億平方米。 -
A rectangular target with its aspect ratio 2. 5 : 1 gives the higher neutron flux than square target with the same area. for the same shape, the neutron flux increases then turn to decrease with decreasing the area of the target
接下來根據已優化的靶的參數，利用低能粒子輸運程序mcnp4a進一步計算高能中子（快中子）進入慢化器后，在慢化器中的輸運過程。 -
The experiment on a blurred text image restoration shows that the mean square error ( mse ) of the improved nas - rif algorithm has a better convergence, and that the signal to noise ratio is improved
對文字模糊圖像的模擬結果表明，與原始演算法相比，改進演算法的均方誤差曲線收斂性及穩定性更好，提高了恢復圖像的信噪比。 -
Through the monitoring on the frequency performance and square - wave response performance of manganese - zinc ferrite coil with different sizes., different ratios of winding and different matching impedances, the result shows that manganese - zinc ferrite coil with proper ratio of winding and matching impedance can effectively restrain the interference and damage which the over - voltage and large - current signals of the power system do to the on - line monitoring system
通過對不同尺寸、不同匝數比和不同匹配阻抗下的錳鋅鐵氧體線圈的頻帶性能、方波響應性能測試實驗，結果表明：適當匝數比和匹配阻抗的錳鋅鐵氧體線圈可以有效地抑制系統過電壓和大電流信號對在線監測系統干擾和破壞。 -
We discuss the qcse of the impurity in the finite square qwws considering impurity position, and raise a point of the qcse under the influence of the masses mismatch and the aspect ratio of the quantum well wires. without considersion of the mismatch of the effective masses between the well and barrier, we obtain the conclusion as follows : ( l ) the first band energy of the electron is decreased under the electric field
在前人工作的基礎上，我們在有效質量近似下討論了外加電場下有限深方形gaas ga _ （ 0 . 63 ） al _ （ 0 . 37 ） as量子阱線的雜質態和雜質的stark能移，並把我們的結果與前人的結果進行了比較。 -
The photometric signal - to - noise ratio is roughly proportional to the square root of the signal intensity
光度計的信噪比與信號強度的平方根粗略成比例。 -
For every 1 per cent increase in the nation ' s urbanization rate ( the ratio of the population living in cities ), china must add some 300 to 400 million square meters of housing, consume some 1, 800 square kilometers of land, pump 140 million cubic meters of potable water, generate 640 million kilowatts of energy, and expend some 270 to 260 billion yuan ( us $ 35 billion ) of capital ; not to mention dispose of 1. 14 billion cubic meters of wastewater each year
因為每增加百分之一的全國城鎮化率（居住在城市的人口比例） ，中國必須加3億至4億平方米的住房，消費1800平方公里土地、泵14000萬立方米的飲用水，開發出64000萬千瓦的能源和花費約2600至2700億元人民幣（ 350億美元）的資金;更不用說每年要處理污水11 . 4億立方米。 -
The nearer he got, the more intense, far more intense, were his thoughts of home as though moral feeling were subject to the law of acceleration in inverse ratio with the square of the distance. at the station nearest to otradnoe he gave the sledge - driver a tip of three roubles, and ran breathless up the steps of his home, like a boy
他越駛近家門，思家的感情就越強烈，比以前強烈多了好像精神上的自覺也服從于引力與距離平方成反比的定律，在奧特拉德諾耶前面的終點站上，給了馬車夫三盧布酒錢，他像孩兒一般，氣喘呼呼地跑上住宅的臺階。 -
Impedance will reflect back as the square of the turns ratio
阻抗將會按照匝比的平方反射回來。 -
Structures. frequency change square ratio is applied as a parameter to locate corrosion and cracking damage. a chart, which relates the loss in stiffness with changes in natural frequencies, is proposed to identify the degree of corrosion and cracking damage
根據結構銹裂損傷前後的頻率平方變化比進行銹裂損傷定位；根據結構銹裂損傷后頻率降低與剛度降低的關系，繪制結構銹裂損傷程度識別圖，用於銹裂損傷程度識別。
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