饮食文化学研究具有跨学科、跨领域、跨时段研究的特点。
Dietetic Culture Studies is an interdisciplinary, cross-cutting, cross-time study characteristics.
文章还对科学实证与历史还原、典型现象分析及长时段研究的思路等进行了阐发。
Also discussed in this paper are different approaches such as scientific evidence, return to original realities, analysis of typical phenomena and studies over a long time period.
另外，也没有任何研究显示青春期的生长发育有什么时段上的变化。
Additionally, no researcher has shown any objective change in the timing of adolescent growth spurts.
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