magneto speed indicator

例句：

1. 1. The magneto speed indicator is used to measure the magnetic field strength.
   磁速指示器用于测量磁场强度。
2. 2.The magneto speed indicator was developed to help scientists better understand the behavior of subatomic particles.
   磁速指示器被开发出来，以帮助科学家更好地理解亚原子粒子的行为。
3. 3. The magneto speed indicator can be used in various applications, such as navigation and communication systems.
   磁速指示器可以应用于各种应用，如导航和通信系统。