After scientists explore the seafloor and pick up samples with robotic arms, the pilot cuts the remaining anchors, and the subsurfaces.
在科学家们勘探海底并用机器手取样后，驾驶员切断剩下的锚索，潜水器就此浮出水面。
2
The production of high quality surfaces with nanometric roughness and sub-micrometer accuracy on brittle crystals is an emerging technology having important optical applications.
表面要求具有纳米粗糙度和亚微米精度的高质量易损晶体的生产是一种生产重要光学仪器的技术。
3
The results show that sub-wavelength wire-grid polarizers perform best when they have sharp corners, vertical sidewalls and smooth surfaces.