small neighborhood的用法和樣例：
例句
- By theoretical analysis, it is shown that tracking error converges to a small neighborhood of zero.
通過李亞普諾夫方法，證明了跟蹤誤差收斂到零的一個小鄰域內。 - The essence of design is to ensure trajectories of states ultimately entering into some neighborhood of the coordinate origin, and the convergence of states is evident later on.
設計的本質在於保證系統的狀態最終進入坐標系原點的小鄰域，而其後狀態的收斂性是明顯的。
