The U.S. is using both systems to take down Iranian missiles fired in retaliation for the American and Israeli attacks, but U.S. officials have said they are struggling to stop waves of drones launched by the Islamic Republic and that they are bringing in an American anti-drone systemproven to work against Russian drones in Ukraine. The system known as Merops also is cheaper than firing a missile that costs hundreds of thousands of dollars at a drone that costs less than $50,000.
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因此，“公平合理地平衡这些主体的利益，是调动其参与农用地布局优化积极性、主动性和创造性的关键。”陈美球说。
Mat Smith for Engadget