求翻译：考察了冷冻保护剂类型、冷冻保护剂处理方式、冷冻方式、保存温度和解冻方式以及保存时间对三种植物材料超低温保存后细胞活力的影响，是什么意思？

The effects of the type of cryoprotectant, cryoprotectant handling, freezing, storage temperature and thawing, and storage time on cell viability after cryopreservation of the three types of plant material,

Visit the frozen and refrigerated type protection, protection, processing methods, chilled, frozen and stored temperature, as well as how to save the time of 3 ultra-low-temperature preservation plant material after the impact energy cells,

Inspected the freezing protecting agent type, the freezing protecting agent processing mode, the freezing way, the preserved temperature and the defrosting way as well as the retention time after three kind of plant material ultralow temperature preservation the cell vigor influence,

Visits an cryopreservative type, mode of cryopreservative treatment, freezing, storage temperature and defrost and save time on three kinds of influence cell viability after Cryopreservation of plant material,

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