自然系统的当前状态显然是前一时刻的结果,如果我们设想一个在给定瞬间理解这个宇宙所有实体关系的智慧,它就能陈述所有这些实体在过去或未来的任何时间的各自位置、运动和一般效应。
可持续发展必须成为煤炭行业每个决策的核心。
The most successful aquaculture operations are those that work with nature, not against it.
We are like travelers who have lost their way; we must ask, each one, for directions from a passerby.