自由空間的相關文章
自由空間的相關公司資訊
自由空間的相關商品
Vacuum - Wikipedia, the free encyclopedia
瀏覽:1085
日期:2024-07-22
Vacuum is space that is devoid of matter. The word stems from the Latin adjective vacuus for "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure.[1] Physicists often discuss ideal tes...看更多