crucial value meaning in English

关键值

Furthermore , the special immunity of the relatives as witness is the product of the choice in the criminal procedure . it has the crucial value and function
此外，亲属作证特免权是刑事诉讼过程中的一种价值权衡的产物，其具有重要的价值与功能。
Pin photo - detector is used extensively in fiber communication and national defense . it has crucial value , it ' s characteristics influence the quality of the whole system . so it needs to be tested strictly
Pin光接收器在光纤通信、国防军事等领域广泛应用，有极其重要的价值，其性能关系到应用系统的整体质量，因此须对其进行严格的性能检测。