actuation
noun [ U ] engineering formal or specialized uk/ˌæk.tʃuˈeɪ.ʃən/ us/ˌæk.tʃuˈeɪ.ʃən/
驱动（机器）;启动（程序）
the fact of making a machine start to work or a process start to happen
They carried out tests on the actuation of safety features. 他们对安全功能的启动进行测试。