（九）放射性物品，是指放射性物质中放射性活度和比活度均高于国家规定的豁免值的物质。
res = res.slice(0, res.length - k);
。关于这个话题，爱思助手下载最新版本提供了深入分析
A recent report by The Wall Street Journal claimed that in 2025, some OpenAI employees flagged the account of the alleged shooter, Jesse Van Rootselaar, as containing potential warnings of committing real-world violence and called for leadership to notify law enforcement. Although Van Rootselaar's account was banned for policy violations, a company rep said that the account activity did not meet OpenAI's criteria for engaging the local police.
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