A structure is a 3D shape made from different materials and parts. Structures are designed and made to be strong, stable and sturdy. This means that they will not break or fall over easily. There’s ...
Different structures have different functions or purposes. The individual parts of any structure need to be selected, arranged and fixed together carefully to make sure the structure carries out its ...
Aiming at the issues of heavy weight and insufficient structural performance of optical instrument supporting structures in extremely large telescopes, the Wide-Field Optical Spectrograph (WFOS) of ...