第三条 从事原子能研究、开发和利用活动，应当坚持中国共产党的领导，贯彻总体国家安全观，坚持理性、协调、并进的核安全观，坚持底线思维与系统观念，统筹发展和安全，保护生态环境，保障人身健康和生命财产安全。
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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.，更多细节参见雷电模拟器官方版本下载
这是最基础的构建模块。BoxGeometry 就像捏泥人时的方块，SphereGeometry 则是球体。注意 widthSegments 参数，它决定了球体的精细度——段数越多，球越圆，但计算量也越大。