治政之要在于安民，安民之道在于察其疾苦。
2024年12月25日 星期三 新京报
。关于这个话题，51吃瓜提供了深入分析
// 原因：先处理右侧元素，把结果存在栈里，供左侧元素直接使用，详情可参考夫子
Under the original Artemis architecture, NASA planned on multiple versions of the SLS rocket, ranging from the "Block 1" vehicle currently in use to a more powerful EUS-equipped Block 1B and eventually an even bigger Block 2 model using advanced solid rocket boosters. The latter two versions required use of a taller mobile launch gantry, already well under construction at the Kennedy Space Center.