Sentence 1: The word nanosecond is formed by the prefix `` nano '' and the second one is second a basic unit of time or a sixtieth of a second .
Sentence 2: The word nanosecond is formed by the prefix `` nano '' and the second is a basic unit of time or one sixtieth of the second .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?