大集体所有制

large-scale collective ownership

• oscillogram
• oshawa
• oshogbo
• osiander
• osier
• osijek
• osiris
• osler，sir william
• oslo
• osman
• osman ⅰ
• osmiridium
• osmium
• osmosis
• osmunda
• osnabruck
• osprey
• osram
• ossa:
• ossa，mount
• ossetic
• ossian
• ossietsky，carl von
• ossification
• ossify