nonlinear equation(s)的用法和樣例：
例句
- Boundary layer phenomena of third-order nonlinear equation is studied in this paper.
摘要研究某類(lèi)三階非線(xiàn)性方程的邊界層現象。 - Naturally, forecasters began to look at the wild and woolly places where only chaotic nonlinear equations ruled.
預測者們自然地開(kāi)始把目光投向那些更為狂野和更為雜亂的地方，那些僅由非線(xiàn)性方程統治的地方。
