Boundary layer phenomena of third-order nonlinear equation is studied in this paper. 摘要研究某类三阶非线性方程的边界层现象。
Naturally, forecasters began to look at the wild and woolly places where only chaotic nonlinear equations ruled. 预测者们自然地开始把目光投向那些更为狂野和更为杂乱的地方,那些仅由非线性方程统治的地方。