例句與造句

1. Orthogonal coordinate systems ; general concepts
   正交坐標系.一般概念
2. Orthogonal coordinate systems ; differential operators of vector analysis
   正交坐標系.向量分析的微分算子
3. With the development of production and technology , non - orthogonal coordinate system is demanded in more and more fields
   隨著生產和科學的發(fā)展，出現(xiàn)了越來越多的場合要求采用非正交系坐標測量系統(tǒng)。
4. A mathematic model for cooling water discharge to forked bays is established by using the boundary fitted orthogonal coordinate system to simulate the complex boundaries , the full implicit coupled solution model to discrete the base equations , and the matrix chase - after method to solve the algebraic equations
   摘要采用正交邊界擬合坐標變換模擬復雜的邊界，全隱式耦合模型離散基本方程，矩陣追趕法求解代數(shù)方程組，建立了分叉型海灣溫水排放數(shù)學模型。
5. The expression of the improved boussinesq equations in curvilinear orthogonal coordinate system is derived . on the basis of poission equation conversion , the methods to generate curvilinear orthogonal grids are introduced , and then the two - dimensional numerical wave model under curvilinear orthogonal coordinate system is established
   推導了正交曲線坐標系下的改進型boussinesq方程，以poission方程變換為基礎，建立擬合正交曲線坐標系下正交曲線網格的生成方法，進而建立正交曲線坐標系下的二維波浪模型，提高了模型對復雜地形的適用性。
6. It's difficult to find orthogonal coordinates system in a sentence. 用orthogonal coordinates system造句挺難的
7. I carried my research on both the two computation methods and fruitful results were obtained . for the fdtd method , i solved the instability problem of the method in the non - orthogonal coordinate system . for the pwe method , i introduce the linear transform in to calculate analytically the fourier coefficients of complicated photonic crystals
   對于有限時域差分方法，我解決了一個影響這種方法在斜坐標使用的穩(wěn)定性問題，得到了傳統(tǒng)的yee型差分在斜坐標里的擴充；對于平面波展開方法，我引入了線性變化求富里葉展開的系數(shù)，這種方法的好處可以很方便快捷的獲得復雜光子晶體的富里葉系數(shù)。