... 余弦三角函数：cosine 余弦环：cosine ring 余弦槽：cosine groove ...
基于34个网页-相关网页
integral cosine outer ring 整体外圈
·2,447,543篇论文数据，部分数据来源于NoteExpress
The strain of the thin-walled ring section beam is investigated theoretically and experimentally. The result shows the local strain varies as the cosine function of twice the positional angle.
对圆环形薄壁截面梁的应变进行了理论与实验分析，结果表明圆环形薄壁截面梁各点应变与该点角度的二倍呈余弦变化关系。
youdao
应用推荐
模块上移
模块下移
不移动