例句與造句

1. Since 1937, Soviet and Russian manned drifting ice stations have extensively monitored the Arctic Ocean.
2. Russia conducts extensive research in the Arctic region, notably the manned drifting ice stations and the Arktika 2007 expedition, which was the first to reach the seabed at the North Pole.
3. On September 5 " Akademik Fedorov " met nuclear icebreaker " Russia " and started a search for an ice floe suitable for " NP-35 " manned drifting ice station establishment, beginning the third stage of " Arktika 2007 " expedition.
4. It's difficult to find manned drifting ice station in a sentence. 用manned drifting ice station造句挺難的