"We are always looking at ways to avoid increasing our prices such as by working with different sugar manufacturers," Hartwig says. "But a lot of our suppliers we have known for years and they've become friends, so it gets tough.
聚光型空间太阳能电站的核心思路是通过特殊的聚光系统，一方面将太阳光集中汇聚到太阳能电池表面，提高光电转换效率；另一方面将发射天线发出的微波波束精准对准太空飞行器或地面接收站的天线。代表方案包括美国的“阿尔法”、中国的“欧米伽”等，其优势在于结构紧凑、重量较轻，但对热管理与指向精度要求高。
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