大家在查： one-to-one correspondence One-Variable Quadratic inequality one-way analysis of variance One-way Function onion ring one-man company or one member company one-lung ventilation onefin electric ray one-and-a-half syndrome one-act play

one-parameter subgroup

...数群（one-parameter group）或称单参数子群（one-parameter subgroup）通常表示从实数 R（作为加法群）到另一个拓扑 …