Many theories of natural science are held to be true not only because they were so considered when natural scientists originated them,but because they have been verified in subsequent scientific practice.
英
美
- 許多自然科學(xué)理論之所以被稱(chēng)為真理，不但在于自然科學(xué)家們創(chuàng )立這些學(xué)說(shuō)的時(shí)候，而且在于為爾后的科學(xué)實(shí)踐所證實(shí)的時(shí)候。
