直径细的神经扩张延长度比粗的神经延长度长。
Elongation degree of the nerve of larger calibre was less than smaller one.
另外的增长应该来自于建筑的增加累积而不是扩张延伸。
Additional growth should come from building up rather than spreading out.
很多学者主张延长教学日或学年时间，就是基于这个前提。
Plenty of pundits rely on this premise when they call for extending the school day or year.
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