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