{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is a threshold?","a":"The threshold, also known as the critical value, refers to the lowest or highest value that an effect can produce. The concept of threshold is widely applied in various fields, such as architecture, biology,  aviation, chemistry, telecommunications, electricity, psychology, etc. It represents a boundary or range, when the value of a certain variable reaches or exceeds this boundary, it will cause a certain behavior or reaction. For example, in biology, the hearing threshold refers to the minimum amount of sound stimulation that can stimulate the human auditory response, that is, the ability to hear the minimum sound. In the engineering field, threshold can also be used in devices such as alarms, when"}]}]}