参考来源 DOE Fusion Energy Strategy 2024DOE Fusion Science and Technology Roadmap 2026FIA 2025 Year in ReviewIAEA Fusion PortalIPP W7-X官方页面ITER官方网站JT-60SA official siteLLNL NIFNIFS official sitePPPL official siteSandia Z machineUKAEA Open DataUK Fusion Strategy 2026W7-X技术数据World Fusion Outlook 2024