沙特目前通过输油管道向红海延布港每日输送约500万桶原油。美国量子策略分析师戴维·罗奇警告,该管道运输体系在曼德海峡潜在封锁面前显得尤为脆弱。
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《自然》杂志,在线发布:2026年4月9日;doi:10.1038/d41586-026-01110-w
在X平台(原推特)运营近二十年后,电子前线基金会决定退出。这不是一个轻易作出的决定,但或许早已迟该如此——平台的数据表现长期未能达到预期。
What are Moon phases?NASA says the Moon takes around 29.5 days to circle Earth, moving through a set of eight distinct phases along the way. Even though we always see the same side of the Moon, the portion lit by the Sun changes as it travels, which is why it can look full, half-lit, or barely visible at different points in the cycle. These changing views are what we call the lunar phases, and there are eight in total: