fixed stage meaning in English

固定式载物台

In fixing stage , the ions in crystals move to form an ionic grating that compensates the electronic grating at elevated temperature . in developing stage after cooling crystals to room temperature , a homogeneous illumination erases the electronic grating and brings out the ionic grating
定影是通过加热记录了体全息光栅的晶体使晶体中的离子运动并去补偿记录信息的电子光栅，形成与电子光栅互补的离子光栅；显影是在室温下用均匀光束照射晶体以擦除掉电子光栅，得到离子光栅。