trigger formula

例句：

1. 1. The trigger formula for this event is the sudden drop in oil prices.
   这个事件的触发公式是油价的突然下跌。
2. 2. The engineer used a trigger formula to control the machine's movement.
   工程师使用了触发公式来控制机器的运动。
3. 3. The scientist discovered a new trigger formula that could potentially lead to a cure for cancer.
   科学家发现了一种新的触发公式，这可能为癌症的治疗提供潜在的解决方案。