symmetric difference

It was also found that the sound pressure level difference was lower in equal, symmetric room than in unequal, asymmetric room configurations.

并且，声源室与受声室的体积以及两房间是否对称，皆对房间的隔声有影响。

A group of asymmetric difference schemes to approach the dispersive equation is given here. Using the schemes and the symmetric Crank-Nicolson type scheme, the parallel alternating difference scheme for solving the dispersive equation is constructed.

本文给出了一组逼近色散方程的非对称差分格式，并用这组格式和对称的Crank-Nicolson型格式构造了求解色散方程的并行交替分段差分隐格式。

The difference between symmetric and asymmetric encryption

对称和非对称加密间的差异

Symmetric Super Compact Difference Scheme of the Navier-Stokes Equation and Its Parallel Algorithm

求解可压Navier-Stokes方程的对称超紧致差分格式及其并行算法

Opencv achieved by using symmetric difference moving object detection.

用opencv实现 的,用对称差分法检测运动物体.