例句與造句

1. Determination of stability of odd points of special second differential system
   一類二階微分系統(tǒng)奇點(diǎn)穩(wěn)定性的判斷
2. There are many methods of edge detection . according to practical task , we choose some classical methods of edge detection including first differential ( roberts operator , sobel operator and prewitt operator ) , second differential ( laplacian operator and kirsch operator ) , log filter and canny operator . they are studied in theory and practice applying
   邊緣檢測(cè)有很多方法，根據(jù)課題實(shí)際背景，選擇了幾種比較經(jīng)典的邊緣檢測(cè)方法，即一階算子( roberts算子、 sobel算子、 prewitt算子) 、二階算子( laplacian算子和kirsch算子) 、 log算子和canny算子，對(duì)他們進(jìn)行理論和實(shí)際應(yīng)用研究。
3. Using the new technique , the zero , the first and the second differential pas of some persons " blood was measured , the result shows : the new technique is more sensitive than the common pas technique . the pas of many persons " blood has absorption peak around the wavelength of 637nm and 664nm
   并用導(dǎo)數(shù)光聲光譜技術(shù)測(cè)量了各種人血的零階，一階，二階導(dǎo)數(shù)，實(shí)驗(yàn)表明：導(dǎo)數(shù)光聲光技術(shù)比普通光聲吸收光譜技術(shù)具有更高的檢測(cè)靈敏度；許多人的血液的光聲譜在637nm和664nm附近有吸收峰。
4. In chapter 2 and 3 , wave front solutions of the delay reaction - diffusion cui - lawson equation and the 2 - dimensional competitive lotka - volterra systems are obtained by constructing an upper solution and a lower solution of a second differential equation with delay . in chapter 4 , it is discussed that travelling wave solutions of the delay reaction - diffusion equations whose reaction term do not satisfy quasimonotonicity condition or weak quasimonotonicity condition
   在第二章和第三章，利用一類二階時(shí)滯微分方程解的存在性理論，通過(guò)構(gòu)造這類時(shí)滯微分方程的上、下解，分別研究了含時(shí)滯和擴(kuò)散的cui - lawson方程和二維競(jìng)爭(zhēng)型lotka - volterra系統(tǒng)，得到了它們波前解存在的充分條件。
5. It's difficult to find second differential in a sentence. 用second differential造句挺難的