我们越意识到面对宇宙力量时的渺小和无能,人类的成就就越令人惊叹。
科技创新需要长期积累,不能急功近利,农业科研更是如此。
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.