短语词组短语random -coil conformation 无规卷曲构象random wound coil 散绕线圈random m coil 无规则卷曲unperturbed random coil 无干扰无规线圈;无干扰无规线团random coil model 无规线团模型random coil molecule 盘曲形无规分子 返回 random coil