例句與造句

1. And it had given one of important motivation to arithmetic topology.
2. In arithmetic topology, there is an analogy between knots and prime numbers in which one considers links between primes.
3. His observations in the 1960s on analogies between primes and knots were taken up by others in the 1990s giving rise to the field of arithmetic topology.
4. It's difficult to find arithmetic topology in a sentence. 用arithmetic topology造句挺難的