scanner tracker radar

例句：

1. 1. The engineer used the scanner to capture the image of the new building.
   工程师使用扫描仪捕捉了新建筑的图像。
2. 2. The doctor uses a scanner to examine the patient's heart.
   医生使用扫描仪检查病人的心脏。
3. 3. The scanner is an essential tool for document scanning and archiving.
   扫描仪是文档扫描和归档的必备工具。
4. 1. The police are using a tracker to find the missing child.
   警方正在使用追踪器寻找失踪的孩子。
5. 2.The hunter used a tracker to follow the animal.
   猎人使用追踪器来追踪动物。
6. 3.The tracker helped us to locate the lost car.
   追踪器帮助我们找到了丢失的汽车。
7. 1.The military has developed a new radar system to improve its surveillance capabilities.
   军方已经开发了一种新的雷达系统，以提高其监视能力。
8. 2. The weather forecaster uses a radar to monitor the storms.
   气象预报员使用雷达监测风暴。
9. 3. The aircraft pilot used a radar to detect the enemy planes.
   飞机飞行员使用雷达探测到敌机。