在诱发后数月内有些冠瘿株发生明显变化。
Some crown galls strains changed properties many months after induction.
移植后数月免疫抑制剂剂量减少时就会发生。
Such a reaction can occur when the dose of immunosuppressive drugs is decreased in the months following transplantation.
即使如此，失业率经常在衰退发生后数月开始上升。
Even so, the jobless rate has usually started to rise a few months after the start of a recession.
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