function n. 1.功能,官能,機(jī)能,作用。 2.〔常 pl.〕職務(wù),職責(zé)。 3.慶祝儀式;(盛大的)集會(huì),宴會(huì)。 4.【數(shù)學(xué)】函數(shù);與其他因素有密切關(guān)系的事。 The function of the ear is to listen. 耳的功能是聽。 the function of education 教育的功能。 discharge one's functions 盡職。 the functions and powers of the National Congress 全國代表大會(huì)的職權(quán)。 a controllable function【火箭】遙控程序。 public [social] function招待會(huì),文娛晚會(huì),社交集會(huì)。 vital functions 生命機(jī)能。 vi. (器官等)活動(dòng),(機(jī)器等)運(yùn)行,發(fā)揮作用。 function as teacher 擔(dān)任教師。 a sofa functioning as a bed 兼當(dāng)床用的沙發(fā)。 The lathe doesn't function well. 這臺(tái)車床有毛病。 function digit [letter] 【計(jì)算機(jī)】操作數(shù)碼[字碼]。
function of function迭函數(shù); function合成函數(shù); 元函數(shù)
The initial function provided by the middleware categorizes the service providers into a set of types 由中間件提供的初始功能將服務(wù)提供者分成許多類型。
The monastery , founded in the 6th century , is the oldest christian monastery still in use for its initial function 修道院始建于公元6世紀(jì),是世界上仍在使用的最古老修道院。
The debugging and test of the controller in the simulated operating process show it meets the initial function and performance demands 設(shè)計(jì)制作了控制器樣機(jī),并完成了模擬生產(chǎn)過程的調(diào)試,達(dá)到設(shè)計(jì)的功能和性能要求。
In this paper , we consider the stability of the positive radical steady states , which are positive solutions of of the following cauchy problem : where initial function 0 is a bounded non - negative continuous function in rn , and k ( r ) > crl for some l > - 2 and r large 本文討論了如下的柯西問題的正徑向平衡解的穩(wěn)定性,其中初始函數(shù)是r ~ n中不恒為零的有界非負(fù)連續(xù)函數(shù), k ( r ) cr ~ l ( l - 2 , r足夠大) 。這個(gè)問題的正徑向平衡解是的正解。
In the third chapter , we will study the existence and uniqueness of the classical global solution and generalized global solution to the periodic boundary value problem and the cauchy problem for this kind of equation . in the second chapter , we study the following nonlinear wave equation of higher order : with the initial boundary value conditions or with where a1 , a2 , a3 > 0 are constants , ( s ) , f ( s0 , s1 , s2 s3 , s4 ) are given nonlin - ear functions , u0 ( x ) and , u1 ( x ) are given initial functions . for this purpose , by green ' s function of a boundary value problem for a fourth order ordinary differential equation we first reduce the problem ( 1 ) - ( 3 ) to an equivalent intergral equation , then making use of the contraction mapping principle we prove the existence and uniqueness of the local classical solution for the intergral equation 本文分三章,第一章為引言;第二章研究一類非線性高階波動(dòng)方程的初邊值問題的整體古典解的存在性和唯一性,以及古典解的爆破;第三章研究此方程的周期邊界問題和cauchy問題的整體廣義解和整體古典解的存在性和唯一性,具體情況如下:在第二章中,我們研究一類非線性高階波動(dòng)方程的如下初邊值問題:或或其中a _ 1 , a _ 2 , a _ 3 0為常數(shù), ( s ) , ( s _ 0 , s _ 1 , s _ 2 , s _ 3 , s _ 4 , )為已知的非線性函數(shù), u _ 0 ( x ) , u _ 1 , ( x )為已知的初始函數(shù),為此,我們先用四階常微分方程邊值問題的green函數(shù)把上述問題轉(zhuǎn)化為等價(jià)的積分方程,然后利用壓縮映射原理證明此積分方程局部古典解的存在性和唯一性,又用解的延拓法證明上述問題整體古典解的存在性和唯一性,主要結(jié)果有:定理1設(shè)u _ 0 ( x ) , u _ 1 ( x ) c ~ 4 [ 0 , 1 ]且滿足邊界條件( 2 ) ,若以下條件滿足:其中a , b月0為常數(shù), w