前臂长(forearm length,r-sty,M48 )：从桡骨点(r)至桡骨茎突点(sty.r)的直线距离。
No sexual morphological difference was discovered in R. sinicus and R. affinis. But there were significant differences on forearm length, body weight and wing load, and other parameters such as wing length and wing span were not significantly different.
二者的前臂长、体重及翼载等存在显著差异,而翼长、翼展等无显著差异。
参考来源 - 同域分布的2种形态和声波相似菊头蝠的食性及共存·2,447,543篇论文数据，部分数据来源于NoteExpress
汽车由2个微型燃气轮机提供动力，其尺寸比人的前臂稍长稍大一点。
The car gets its power from two new micro-sized gas turbine engines that are slightly larger and longer than a human forearm.
也有一些科学家认为露西长而弯曲的手指和过长的前臂表明，她和黑猩猩一样，同样适应在树上移动。
Some scientists, however, argued that her long, curved fingers, long forearms, and some other traits showed she was also adapted to moving about in the trees, like a chimp.
其他特征，比如特别长的前臂以及灵活的双脚，这些可以追溯到我们过去的灵长类祖先很晚才具有的特征。
Other features, such as extra-long forearms and flexible feet, date from deep in our primate past.
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