光线

sagittal ray

弧矢光线

sagittal plane 弧矢面 | sagittal ray 弧矢光线 | salt prism 岩盐棱镜

sagittal ray

径向光线

弧矢彗星像差 sagittal coma | 径向光线 sagittal ray | 弧矢截面 sagittal section

Large aperture perfect for low light conditions and stargazing

大口径完善,适合在光线较暗的条件和星

Multi-coated optics多涂层光学 | Large aperture perfect for low light conditions and stargazing大口径完善,适合在光线较暗的条件和星 | Tripod adapter脚架适配器

sunray

太阳光线

太阳光谱 solar spectrum | 太阳光线 sunray | 太阳黑子 spot; sun pot; macula

Sunray pleats

光线式褶裙,散褶裙

Soft pleat 活褶 | Sunray pleats 光线式褶裙,散褶裙 | Stitched pleat 双重褶

Sunray pleats

光线式褶裙,凴散褶裙

Soft pleat 活褶 | Sunray pleats 光线式褶裙,凴散褶裙 | Stitched pleat 双重褶

Sunray pleats

光线式褶裙,凥散褶裙

Soft pleat 活褶 | Sunray pleats 光线式褶裙,凥散褶裙 | Stitched pleat 双重褶

Sunray leat

光线式褶裙,散褶裙

Soft leat 活褶 | Sunray leat 光线式褶裙,散褶裙 | Stitched leat 双重褶

of white or brown two miles off

白色的和棕色的屋顶和尖塔的光线

Shadows ,aureola and mist,the light falling on roofs and gable... | of white or brown two miles off 白色的和棕色的屋顶和尖塔的光线 | The schooner near by sleepily dropping down the tide ,the little boa...

collimated ray

平行线线,准直光线

collimated radiation 准直光 | collimated ray 平行线线,准直光线 | collimated telescope 准直辐射

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