在半导体领域，钪的紧缺同样令人忧心。研究机构SemiAnalysis创始人兼首席执行官迪伦·帕特尔指出，美国芯片制造商的钪库存正在走低，这可能危及新一代5G芯片的生产。
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The tree starts as a single region covering the whole space. As points arrive, they get dropped into the region that contains them. When a region exceeds its capacity (the maximum number of points it can hold before splitting), the region divides into four children, and the existing points get redistributed.
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