As the nature of warfare changes, favoring urban combat and regional conflicts rather than conventional combat, the military is gaining a great deal of interest in less-lethal weapons.

随着战争性质的变化，常规性战斗向城市巷战和地区性冲突倾斜。

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In this country, many police departments dealing with crowd control are embracing so-called less-lethal weapons.

NPR: Training Faulted in Death by 'Non-Lethal' Weapon

Sid Heal is an expert on less-lethal weapons and a commander with the Los Angeles County Sheriff's Department.

NPR: Training Faulted in Death by 'Non-Lethal' Weapon

In Oakland, California, the police department is now barred from using a number of less-lethal weapons for crowd control.

NPR: Training Faulted in Death by 'Non-Lethal' Weapon