标题: 请教一个难句 [打印本页] 作者: ohayo 时间: 2004-3-8 13:09 标题: 请教一个难句 It was possible to demonstrate by other methods refined structural differences among neuron types ; however , proof was lacking that the quality of the impulse or its condition was influenced by these differences , which seemed instead to influence the developmental patterning of the neural circuits .(5)