control foctor的用法和樣例：
例句
- However, older beagles that received at least one of these interventions also did better than the control group.
不過，任何接受至少一種控制因素的試驗組的表現都較控制組為佳。 - The capacity of an approach is measured independently of traffic and control factors and is expressed as the saturation flow.
進口道容量的度量以飽和流量表示，它同交通及控制因素無關。
