The past is never dead. It's not even past.
自适应控制是根据观察到的系统行为调整控制器参数。
The best architecture comes from a synthesis of all the elements that separately comprise a building: the structure that holds it up; the services that allow it to function; the ecology of the building - its relationship to the surroundings; the quality of natural light; the symbolism of the form; the relationship of the building to the skyline.
我们都在同一条船上。
最有价值的碳氢化合物分子是我们不需要燃烧的那种。