Realizing state variable filter based on isppac 10实现状态变量有源滤波器
Also available is an adapter piece for linear variable filters that fits onto a cuvette holder to clamp the filter slide carriers into place 我们还提供可用线性可变滤光片的适配器片,它可安装在试管支架上用于将滤光片幻灯机固定在合适的位置。