More specifically, de Sitter space is the maximally symmetric vacuum solution(英语:vacuum solution) of Einstein's field equations(英语:Einstein's field equations)
to electrodeposition. Such layers can be deposited chemically, or using vacuum deposition techniques (e.g., gold sputtering). 模具的外表面形成形状的内表面。 该过程涉及将直流电通过含有被电成型金属盐的电解质。
Utilization. July 15–17, 2019, Columbia, Maryland. "The Use of a Lunar Vacuum Deposition Paver/Rover to Eliminate Hazardous Dust Plumes on the Lunar Surface