BSA調查（BSA Survey）被視為民調產業的「黃金標準」，因為它歷史悠久，且使用隨機機率抽樣——意味英國所有人都有相同機會被抽中。
Replaced by: Drizzle (21% → 100%)
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This would allow for precise predictions of landing locations, reducing the risk of any debris impacting populated areas and protecting people and property while "managing the environmental impact of space debris".