旋转

hypocycloid

圆内旋转线;内摆线

超环面 hypertorus | 多维体积 hypervolume | 圆内旋转线;内摆线 hypocycloid

improper rotation

非正常旋转

improper orthogonal matrix 非正常正交阵 | improper rotation 非正常旋转 | improper singularity 非正常奇点

improper rotation

不相称旋转(*群论)

impulse 冲量;脉冲 | improper rotation 不相称旋转(*群论) | impregnation 浸渍

improper rotation

假旋转

退化二次曲面 improper quadric | 假旋转 improper rotation | 假鞍点 improper saddle point

inboard turning

内向旋转(螺桨)

102 冲击试验 impact test | 103 内向旋转(螺桨) inboard turning | 104 造船台坡度 inclination of building slip

infinitesimal rotation

无穷小旋转

infinitesimal rigidity 无穷小刚性 | infinitesimal rotation 无穷小旋转 | infinitesimal transformation 无穷小变换

infinitesimal rotation

无穷小旋转=>無限小回転 (瞬間回転)

infinitesimal relative displacements 无穷小相对位移 | infinitesimal rotation 无穷小旋转=>無限小回転 (瞬間回転) | infinitesimal strain 无限小应变

inside out service

正手逆旋转发球

变线 change placement | 正手逆旋转发球 inside out service? | 台内反手拉侧下旋 over the table backspin loop

inswinger

内弧球(向内侧旋转)

49(守门员)托救球 finger-tip save | 50内弧球(向内侧旋转)inswinger | 52落地反弹球 half volley

interrelated section

旋转剖面

"互相关连几何性质","interrelated geometric characterics" | "旋转剖面","interrelated section" | "截短半径尺寸线","interrupted dimension line of radius"

plasticine：塑像用粘土

plastic 塑胶 | plasticine 塑像用粘土 | plasticity 可塑性

Steel Skeleton Construction：钢骨构造

"钢珠","steel shot" | "钢骨构造","steel skeleton construction" | "钢枕(铁路)","steel sleeper"