- Aim To establish a kind of new Geostar/Loran-C integrated navigation system, which resolves the problem of active location in Geostar system.
- Methods We chose the active locations of MSM reasonably,and used capture-recapture method and multiplier method to estimate the size of MSM in a certain city of a province.
- The orient has been playing an active role in the world economy.
- He is an active member of the school's stamp club.
- The film actors are on location in Japan.
- An active volcano may explode at any time.