球面角

horocycle

极限圆

horned sphere 角形球面 | horocycle 极限圆 | horosphere 极限球面

luminous intensity

发光强度

一般教室或者辦公室的照明至少要達到300勒克司 3.發光強度(luminous intensity) 在一定方向的單位立體角內的光通量,等於垂直於眩方向的單元及面的光通量與從光源向眩單元所張立體角(球面度)的比.

polar spherical triangle

极球面三角形

极隅角 polar solid angle | 极球面三角形 polar spherical triangle | 北极星 polar star

sectorial spherical harmonics function

扇形球面调和函数

sectorial horn 扇形喇叭筒 | sectorial spherical harmonics function 扇形球面调和函数 | sectrix curve 等分角线

spherical pyramid

球面棱锥

spherical polygon 球面多边形 | spherical pyramid 球面棱锥 | spherical sector 球心角体

spherical sector

球心角体

spherical pyramid 球面棱锥 | spherical sector 球心角体 | spherical segment 球截形

spheroidal coordinates

旋转椭球坐标

旋转椭球方位角 spheroidal azimuth | 旋转椭球坐标 spheroidal coordinates | 旋转椭球面角超 spheroidal excess

steradian","sr

立体角","球面度

,"[角]秒"," second","(\\")" | "立体角","球面度"," steradian","sr" | "长度","米"," metre","m"

Lock washers with angular upturn tab in line to the external tab

角形外舌止动垫圈

角形垂直外舌止动垫圈 Lock washers with angular upturn tab perpendicular to the exte... | 角形外舌止动垫圈 Lock washers with angular upturn tab in line to the external tab | 内球面垫圈 Inner sphere wash...

apomecometer

测角测距仪

"阿波罗全景摄影机","Apollo panoramic camera" | "测角测距仪","apomecometer" | "过渡球面,中间球面,等量球","aposphere"

Greco-Latin square：希腊拉丁方格

Granduation of curve 曲线递合 | Greco-Latin square 希腊拉丁方格 | Grand lot 大批

cunningham：帆前角下拉索

斜拉器:kicking strap | 帆前角下拉索:cunningham | 调整索:outhaul