Sentence examples for are complex and difficult from inspiring English sources

Simulation models are complex and difficult to build and run.

Most larger RSFs here are complex and difficult to categorise.

The amendments in schedule 10 of the bill are complex and difficult to follow.

Also, some electronic health records are complex and difficult to use.

Health impacts of these changes in UVI are complex and difficult to quantify.

In reality, elaborate redistribution schemes are complex and difficult to implement properly.

They also make commitments using derivatives, creating obligations that are complex and difficult to quantify.

The dynamics and relationships between society and nature are complex and difficult to predict.

The possible negative effects of these kinds of self-replicating, evolving machines are complex and difficult to predict.

I know these are complex and difficult issues, involving systems with an incredible number of moving parts.

"The logistics are complex and difficult to keep secure," he said in urging Israel to abolish the program.