electronic countermeasures aerial

例句：

1. 1.The military uses electronic countermeasures to defend against enemy missile attacks.
   军队使用电子对抗措施来防御敌方导弹攻击。
2. 2. The company's new software includes electronic countermeasures to prevent hacking.
   该公司的新软件包括电子对抗措施以防止黑客攻击。
3. 3. The government has implemented electronic countermeasures to control the spread of the virus.
   政府已经实施了电子对抗措施来控制病毒的传播。