Complex sentence: When a loop has a loop-carried dependence another way to parallelize it is to distribute the loop into several different loops, meaning by separating statements that are not dependent with each other so that these distributed loops can be executed in parallel.
Split into simpler sentences: When a loop has a loop-carried dependence, another way to parallelize it is to distribute the loop into several different loops. Statements that are not dependent with each other are separated so that these distributed loops can be executed in parallel.