A laser ruler is a digital measuring tool that uses a laser beam to measure distances accurately. The device works by emitting a laser that reflects off a surface, and the time it takes for the laser to return is used to calculate the distance. Laser rulers typically display the measurement on a digital screen, making them convenient for measuring long distances or hard-to-reach areas. They are commonly used in construction, interior design, and real estate for tasks like measuring room dimensions or distances between objects, offering greater precision and efficiency compared to traditional tape measures.

“laser ruler”的英语定义和含义

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