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Materialized views are one of the most powerful features in ClickHouse. They allow users to precompute transformations and aggregations at insert time, shifting work from query time to ingest time. This is commonly used to accelerate specific query patterns, reorient data under a different primary key, or feed downstream summary tables.，这一点在新收录的资料中也有详细论述
。新收录的资料对此有专业解读
Владислав Уткин
陳宥樺進一步解釋，與那國的飛彈部署本質上仍屬防禦性，03式飛彈並非進攻武器，而是用於攔截50公里左右來襲的飛機與飛彈，保護島上設施與平民。另外，這一較短射程也代表與台灣安全關聯性較低，無法覆蓋台灣空域。他認為此次部署部分出於島嶼居民憂慮，他們擔心在區域衝突初期成為第一波攻擊目標，強化地方防衛不僅是嚇阻，也為了從安全感方面安撫與保障當地民眾。，更多细节参见PDF资料
The Multi-Grid Problem