不影响正常使用 » Does not affect the normal use 暗响 » Dark ring 当地层富含粉砂类土,终孔后粉砂、粉细砂快速沉淀,给清孔带来困难,为降低孔底沉淤采取以下措施: » Local layers rich in silt...
基于12个网页-相关网页
dark-ring 暗环
ANTI-DARK RING 御魔手镯
first dark ring 第一暗环
Dark-ring shifting 暗点漂移
Dark ink ring 冥墨环
ring dark soliton 暗孤子环
In Fraunhofer diffraction area, the spot center is light spot, around encircle light and dark ring.
在夫琅和费衍射区域内,光斑图像中央是亮光斑,周围环绕着明暗交替的圆环。
Thus more than 90 per cent of the light is contained within the circle bounded by the second dark ring.
这样,有90%以上的光落在第二暗环所包围的圆面积之内。
Titan looms just over the thin rings, while dark ring shadows on Saturn show the Sun to be above the ring plane.
靠近中的土卫六(泰坦)正处于纤细的光环上方。而投在土星表面的光环阴影表明,太阳正位于光环平面的上方。
应用推荐