けいき計器keiki
1.
A device used for measuring various physical quantities, such as length, weight, speed, and pressure.
2.
An instrument collectively referred to as measuring tools that provide specific data regarding the size, amount, or condition of an object.
3.
A specialized apparatus that allows for the precise quantification of different parameters in a given environment, often utilized in scientific or technical contexts.
Example:
例えば、温度計や気圧計などの計器は器具です。
けいきひこう計器飛 行keikihikou
1.
The act of flying an aircraft solely by relying on instruments and gauges rather than visual references, particularly in conditions where visibility is limited.
2.
A method of piloting an aircraft that focuses on utilizing onboard instruments to obtain navigational information and ensure safe operation in the air.