例句與造句

1. Recently , a new mathematical technique known as wavelet transform ( wt ) has become the focus of many science areas
   摘要近年來，一種被稱為小波變換的數學理論和方法成為眾多學科關注的焦點。
2. This course gives a survey of cryptography and other mathematical techniques that have been developed in the last thirty years for tackling the security problem
   本課程將回顧30年來為解決這一問題而發(fā)展起來的密碼學和相關的數學技術。
3. The disadvantage of it is lacking a formal semantics and difficult to apply , directly , mathematical techniques on uml models for system validation
   但uml的缺點是難以直接用數學工具對uml模型進行檢驗，另外uml在語義方面也存在一些不足。
4. Quantitative approaches to forecasting involve the use of statistical or mathematical technique ; they are the approaches used by theoreticians and professional planners
   定量分析的預測方法需要使用統(tǒng)計和數學技術,主要由精通理論和專業(yè)的計劃者來進行
5. To do so , astronomers resort to fourier analysis , a mathematical technique that allows them to break a complex curve into a set of simple ones called sine waves
   為了達到這個目的，天文學家們采取了傅立葉分析方法? ?這是一種數學研究方式，它允許天文學家們將一個復雜的曲線圖分解位一些叫做“正弦波”的簡單曲線。
6. It's difficult to find mathematical technique in a sentence. 用mathematical technique造句挺難的
7. At first , according to the fundamental q - switch equation , we analyze the q - switch system , including active q - switch and passively q - switch . we have derived simple analytic expression for all of the parameters of optimally coupled laser by using the mathematical technique of lagrange multipliers
   首先我們從速率方程出發(fā)對調q激光器的理論進行了分析研究，建立了主動調q和被動調q的理論和q參數的優(yōu)化設計，并對聲光調q以及被動飽和調q的特性和模型進行了優(yōu)化。
8. Another trend was the increased access to computers powerful enough to accommodate the sophisticated mathematical techniques involved in dfa . a third trend was the adoption of similar types of analyses in banks and other financial institutions . the general approach of dfa was applied first by insurers in europe , then in canada and the united states
   對保險公司的精算師和財務總監(jiān)而言,預測未來是其重要職責,而在美國、加拿大等保險業(yè)發(fā)達國家的精算理論和實務界討論熱烈的“動態(tài)財務分析”方法,無疑為精算師們提供了更新更全面的預測方法和模型工具。
9. The research can offer some important references to the population ecology of endangerous plant , too . based on the dates of two different circumstances , two standard life tables of form . taais chinensis var . mcarei population are founded by mathematical technique according to premising with " space deducing time " , and the curves of survival rate , mortality rate and killing power were drew . the results showed both of the survival curves of population appeared to be a type of deevey - iii and the high mortality of seeding is one of the important reasons which caused taxus chinensis var . mairei to be endangered , which badly limited the enlargement of form . taxus chinensis var . mcarei population
   由于南方紅豆杉無解析木，因而以“空間推時間” 、 “橫向導縱向”方法，將林林依胸徑大小分級，以立木級結構代表年齡結構，采用分段勻滑技術，對兩個不同生境的南方紅豆杉種群編制特定時間生命表，繪制存活曲線，結果表明不同生境的南方紅豆杉種群的存活曲線均趨于deevey -型，兩地差異較小，幼苗死亡率極高，不同生境的幼苗死亡率均達到96以上。