The novel required deep research to accurately portray the late 1950s and early 1960s.

The potential of long distance transmission needs more deep research.

His work is centered on a deep research on, over and beyond "sound".

Maybe you'll be on the way to a wonderful journey of deeper research.

Sometimes the disputes involved deeper research, like the time he discovered the world's oldest man wasn't.

"The cooperation and communication is very open among the small group who are doing deep research."

From this group he chose a team of around 30 instructors to conduct deep research into technique.

In her deep research, however, she did not support claims that Jefferson was of mixed-race descent.

A better memory or deeper research might turn up a few more.

If you look at the deep research, you'll see that technology can help kids learn to read.