trigger
触发【名词】(枪的)扳机，触发器，引爆器【机械工程】扳柄，起动装置【化学】(连锁反应)引起物； 【及物动词】扳扳机，发动，触发； 【不及物动词】松开扳柄
Definitions
an event that stimulates initiation of a subsequent event or process.
flow trigger a trigger for initiating assisted ventilation, consisting of a mechanism for measuring the patient's inspiratory effort and starting of assisted ventilation when flow reaches a given level.
pressure trigger a trigger for initiating assisted ventilation, consisting of a mechanism for measuring pressure and starting assisted ventilation when pressure reaches a given level.
time trigger a trigger for initiating assisted ventilation, consisting of a mechanism that measures frequency of respirations and starts assisted ventilation when the respiratory frequency is at a given point.
Term describing a system in which a relatively small input turns on a relatively large output, the magnitude of which is unrelated to the magnitude of the input.
