Waveguides are ridges on the surface of a chip that can direct optical signals ; polysilicon is a type of silicon that consists of tiny , distinct crystals of silicon clumped together .
波导是芯片表面上的脊,可以控制光信号;多晶硅是硅的一种形态,由许多微小的、不同的晶体硅簇在一起。
Many are vaulted cave homes built tier upon tier on ridges .
很多房屋是建造在山脊上、层层叠叠的拱形窑洞。
Furrows and ridges on the surface were caused by deforming ice .
现在火星表面的梨沟和山脊的就是冰层运动的结果。
Sandbars are semi-exposed ridges of sand that waves deposit offshore from a beach .
沙滩造成了半裸露的沙山脊,这些沙从海滩逐步沉淀。
Venus also has tesserae , or tiles - raised areas in which many ridges and valleys have formed in different directions .
金星也有马赛克片,或叫瓷砖即在不同方向形成的有着众多山脊和山谷的隆起地区。
The stripes are alternating rock ridges and sand layers , known as yardangs , caused by persistent unidirectional wind .
条纹是交替的岩脊和沙层,被称为yardangs,由长期定向风所致。
In meteorology , high pressure ridges form where air is sinking from high altitudes toward earth 's surface .
从气象学来说,高压脊使该区域的空气自高空向地面下沉。
The new design uses a pattern of wedge-shaped ridges whose widths are precisely tuned to slow and capture light of a wide range of wavelengths and angles of incidence .
最新设计采用了楔形脊模式,通过精确调节脊宽以适应在大范围波长和入射角下慢速捕捉光。
The deep tan dust is not only thick enough to completely hide much of the land surface below , but it almost forms its own topography , with ridges of dust rising up below the clouds .
深褐色的灰尘完全覆盖了下方的地面,不仅如此,由于尘脊在云层下方上升,它还几乎重塑了地貌。
Over time , muller says there will be fewer mid-ocean ridges and a shift to more deep plains in the oceans as continents shift . The atlantic will widen and the pacific shrink .