Leadership in forestry means making tough decisions today for a better tomorrow.

系统辨识是从观测到的输入输出数据中建立动态系统数学模型的科学与艺术。

I think that we communicate only too well, in our silence, in what is unsaid, and that what takes place is a continual evasion, desperate rearguard attempts to keep ourselves to ourselves.

科学的乐趣在于旅程，而不仅仅是终点。