heliograph
「heliograph」的意思
n. 太阳摄影机；日光反射信号器；照相制版; vi. 用日光反射信号器发送信息; vt. 用太阳摄影...
n.照相制版,太阳摄影机,日光仪v.用太阳摄影机拍摄,用日光仪传递
「heliograph」的用法
heliograph反射式望远镜，用于在阳光下发送信号 - 军事通信、航海、户外活动等需要远距离信号传递的场合
「heliograph」的例句
The heliograph was used to send messages across the battlefield.
在战场上，反射式望远镜被用来发送信息。
The team used a heliograph to communicate with their base.
团队使用反射式望远镜与基地保持联系。
During the expedition, they relied on the heliograph to stay in touch.
在探险过程中，他们依赖反射式望远镜保持联系。
The heliograph was a crucial tool for long-distance communication.
反射式望远镜是进行长距离通信的重要工具。
They used the heliograph to signal for help in distress.
他们在紧急情况下使用反射式望远镜求救。
The heliograph was set up on a hilltop for better visibility.
他们在山顶上设置了反射式望远镜以获得更好的视野。
The signal from the heliograph was clear and easily understood.
反射式望远镜发出的信号清晰易懂。
They practiced using the heliograph to ensure they could communicate effectively.
他们练习使用反射式望远镜以确保能够有效沟通。
The use of the heliograph has been largely replaced by modern communication methods.
反射式望远镜已经被现代通信方法所取代。