②采用最大剂量法及长期连续给药法分别观察其急性毒性和长期毒性；
In order to observe the long-term toxicity, the oil was continuously given per mouse.
但大剂量照射造成的辐射损伤是影响其性能的最大因素。
However, the radiation damage by high total dose of exposure affects its performance.
但大剂量照射造成的辐射损伤是影响其性能的最大因素。
However, the radiation damage by high total dose of exposure affects its performance.
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