Tunnel space and rat group density was negative correlation(P＜0.05). Tunnel space(35%-45%) was not only a rat group critical density range of take-off and langing,but also a relatively stable interval of population density.
主要研究结果如下:1.洞道空间与鼠群密度呈负相关关系(P＜0.05),35%～45%的洞道空间是鼠群密度升降的临界区间,也是种群密度相对稳定的区间。
参考来源 - 高原鼢鼠的洞道空间对高寒草甸植被性状的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
讨论了洞道式干燥器的长度、宽度、高度的选择，热空气进入方式和排气口的设置，以提高其热空气的利用率。
This paper discussed the selection of the size(length, width and height) of the oven, the inlet mode of the hot air and the design of outlet to increase the utilization efficiency.
袋熊被一个洞绊倒了。“停，你跑太快了。我需要休息。”他抱怨道。
Wombat stumbled into a hole. "Stop, you going too fast. I need to rest," he complained.
当看到洞这么深时，它们对两只青蛙喊道救不了它们了。
When they saw how deep the hole was, they cried to the two frogs that they could not be saved.
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