By the end of 1971 several models were being actively studied.

Often, a leader who is not actively studying the material will direct group activities.

Some fundamental aspects of the theory are still actively studied.

Both parties actively study the practices they are busy disparaging.

Electrosynthesis is actively studied as a science and also has many industrial applications.

Goldman is now actively studying ways to become a retail broker using the Internet, people close to the firm said.

However, optical heterodyne detection is possible and has been actively studied since 1979.

The first quasars were discovered with radio telescopes in the late 1950s and are still actively studied by astronomers today.

Missionaries are also encouraged to use their time outside class to actively study church scripture and doctrine, and a language if necessary.

At the age of 30, he began to actively study the Albanian language, a linguistic field that had not been widely studied at the time.