次方根 的英文怎麼說
中文拼音 [cìfānggēn]
次方根
英文
the root of n, the nth root-
Between 1000 b. c. and 1000 a. d. various treatises on mathematics were authored by indian mathematicians in which were set forth for the first time, the concept of zero, the techniques of algebra and algorithm, square root and cube root
在公元前1000年至公元1000年之間，由印度數學家所寫的各種數學論文首次闡明了出來，零的概念，代數和運演算法則的技巧，平方根與立方根都闡明了出來。Some quadratic equations have no real roots.
某些二次方程沒有實數根。Each observation could have been weighted inversely as the distance or as the square root of the frequence.
每次觀測可以倒過來加權作為距離或作為頻率的平方根。What is the square root of the third power of pi
圓周率三次方的平方根是什麼？A : what is the square root of the third power of pi
圓周率三次方的平方根是什麼？This program calculates the root ( s ) of the quadratic equation with very common and simple algorithms
這個程序能用非常普通和簡單的演算法來計算一個二次方程的根。Quadratic equation solver - this program calculates the root ( s ) of the quadratic equation with very common and simple algorithms
這個程序能用非常普通和簡單的演算法來計算一個二次方程的根。Lemaire then took just over a minute to identify two quadrillion, 397 trillion, 207 billion, 667 million, 966 thousand, 701 as the 13th root
而勒麥爾只用了一分多鐘的時間就算出了這一長串數字的13次方根，答案是2397207667966701 。The author argues that two step shouid be taken to judge the causation properly. the first step is to anaiyze whether causation in fact is decided according to the but for ruie ; the second step to anaiyze whether causation in iaw is decided according the foreseeabiiity ruie. from those steps the causation can be decided and the scope of the carrier ' s iiability is fixed
本文針對審判中判斷因果關系的方法和標準不統一的問題，提出應當明晰化實踐中採用的因果關系認定方法，認定因果關系時應當分兩個層次進行，首先是根據要不則無規則判斷事實上的因果關系是否成立，其次是根據合理預見規則判斷法律上的因果關系是否成立，最後根據因果關系得出承運人的賠償范圍。By companion matrix of polynomial gave one necessary and sufficient conditions of two polynomial having common roots, according to the above gives one method to solute dual higher order equation
摘要利用多項式的伴侶陣給出兩多項式有公共根的一個充要條件，並據此給出解二元高次方程的一種方法。The square root and the cubic root of the dielectric constants are linearly related to the volume ratios
介電常量的二次及三次方根與密度成線性關系。According to pump performance curve shown we can get that the distance h is changed with the rotate speed n in the same point q, and the flux q is changed with the rotate speed n in the same point h. from the curve we can get the rule that the distance and rotate speed are in direct with ratio at the same flux point, and the rotate speed and the flux are also in direct with ratio at the same distance point
根據相似定律：流量與轉速的一次方成正比；揚程與轉速的二次方成正比；功率與轉速的三次方成正比。即在降低轉速，調低水泵出水揚程的同時，功率下降的幅度非常大，從中可以節省相當大的電能。完全應在高水位時降低水泵機組轉速，從而使電機的輸出功率隨著轉速下降值與轉速原值商的三次方關系下降。In addition, a shadowing function applicable to multiple scattering is taken into account, which extends the calculation to the surface with anisotropic slope distribution
引入考慮多次散射的遮蔽函數來修正掠入射情況下的散射系數，並將計算范圍擴展到均方根料率各向異性的二維粗糙面。In this paper, some especial higher power equation be enumerated, just like binomial equation or reciprocal equation, for people can ' t fine common extract roots formula about five and above power equation
摘要基於五次或五次以上方程沒有一般通用的求根公式，本文列舉了一些特殊的高次方程的解法。After deriving swt from the model, we find out that the water saturation equation is a quadratic equation about swt, so its solution is very simple and obtained by using the standard quadratic - root formula
通過研究混合泥質砂巖有效介質通用hb電阻率模型的求解方法，表明模型導出的關于s _ （ wt ）的方程是一個一元二次方程，可用求根公式求解，解法非常簡單。The improved algorithm not only inherits the fast convergence trait from rls and realizable systolic array from qr _ rls, but also eliminates square - root operation and gets directly equalizer output signals from systolic array. so this algorithm has more simple operation, faster executing speed, less hardware resource and lower hardware cost. some different equalization algorithm are imitated on the qpsk communication system with multipath channel
其次對一些成熟的自適應均衡演算法（如lms演算法、 rls演算法、 qr _ rls演算法、逆qr _ rls演算法）進行了分析;介紹了一種改進后的無平方根的qr _ rls演算法，該演算法不但繼承了rls的快速收斂特性和qr _ rls演算法的systolic陣列可實現性，還取消了qr _ rls演算法的平方根運算，使演算法在硬體實現時運行速度更快，佔用資源也更少，同時該演算法還可由systolic陣列直接得到均衡后的輸出信號，運算量更小。In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material
本文首先根據散拋石壩損毀情況的現場調查資料，結合有關專家多年的整治經驗，總結出壩體的損毀原因及影響因素；對現有塊體穩定性的研究成果進行回顧和總結，並針對散拋石壩的直接損毀現象，結合山區河流的水流、地形特點，利用塊體粒徑與起動流速的關系，提出塊體穩定重量與起動流速高次方成正比的概念，流速50的增長可能導致塊體穩定重量接近40倍的變化；通過二維變坡水槽試驗，研究了壩體穩定的主要影響因素，包括塊體重量、壩頂水深、斷面尺寸、塊體材料（塊石和卵石兩種） 、護底等，結果表明對于山區河流，試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微；最後，根據西部地區的自然、經濟、交通等條件，提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施，以期取得良好的工程效果。" personally, i believe most people can do it but i have also a high - speed mind. my brain works sometimes very, very fast.
「我相信大多數人都能算出一個200位數的13次方根，只是我的速度稍快一些。我的大腦有時運轉得相當快。 」French " mathlete " alexis lemaire showed off his rare mental agility thursday, breaking the world record kept by himself after working out in his head the 13th root of a random 200 - digit number in just 72. 4 seconds
上周四，法國「數學天才」亞歷克西斯?勒麥爾展示了其罕見的心算本領，他以72 . 4秒心算出一個隨機抽取的200位數的13次方根，打破了由他本人保持的世界紀錄。French “ mathlete ” alexis lemaire showed off his rare mental agility last thursday ， breaking the world record kept by himself after working out in his head the 13throot of a random 200 - digitnumber in just 72. 4seconds
上周四，法國「數學天才」亞歷克西斯?勒麥爾展示了其罕見的心算本領，他在72 . 4秒內心算出一個隨機抽取的200位數的13次方根，打破了由他本人保持的世界紀錄。分享友人