multi target restriction 多目标约束
restriction target
限制目标
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Heller created a panic among gun-control advocates because it condoned the ownership of semiautomatic handguns, which are among the most common firearms in use but also the target of many restriction efforts.
WSJ: Jeffrey Scott Shapiro: A Gun Ban That Misfired
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