使用祈使语气来书写指令。

燃油和氧气的混合物会引起爆炸。

用手摇泵将系统加压到150巴。

泵安装在液压马达后面。

燃油渗漏会降低发动机性能。

All range distances shall be expressed in nautical miles.

Each graphical or tabular data presentation shall include one or more examples of the proper use of the data presentation unless its use is sufficiently simple that misuse or misunderstanding is improbable.

This Section of the Pilot＇s Operating Handbook shall contain all performance information required by the Federal Aviation Regulations (or other applicable regulations) and this Specification.

The Recommended Turbulent Air Penetration Speed

The Maximum Demonstrated Crosswind Velocity

The ALL Engines Best Angle of Climb Speed