The tests used in standards for evaluating smoke alarms were developed back in the 1980s. However, despite changes in building materials since then, smoke alarms remain reliable, says Chagger: "They still respond to all the main fires we get today."
每个 Rubric item 都尽量做到：原子化、客观、可证据落地或可形式化推导，并额外强调：，详情可参考体育直播
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names, but actually just look them up in a static dictionary. All data sources extend