However, the observed maximum 68% signal enhancement in our case for the folate-targeted liposomes may suggest that perhaps only a slight decrease in ligand ratio may be necessary to achieve even higher tumor signal enhancementrates.
这句话应该怎么分析呢？主语是the observed maximum signal enhancement？
谓语是may suggest ？
从句中主语是什么？这句话是推测的意思么？怎么觉得理解的不透彻。谢谢英语高手的指导
"the observed maximum 68% signal enhancement in our case for the folate-targeted liposomes "是主句的主语，而“may suggest ”是主句的谓语动词，that引导的是宾语从句。整句话的意思是“然而，我们实验中观察到的叶酸靶向的脂质体最大68%的信号增强量，可能暗示着也许稍微减少配体比可能是得到高的肿瘤增强信号的必要条件。”
这个仅供参考，因为本人英语也一般，希望对你有帮助。
谢谢英语高手的指导 
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