A built-in direction sensor detects magnetic north.
内置的方向传感器检测磁北。
For use in the attitude measurement of artillery projectiles, a strap-down type geomagnetism and solar direction sensor is made use of to decide the attitudinal data.
为了测试火炮弹丸飞行姿态，采用捷联式地磁—太阳方位传感器，利用地磁场和太阳方位作为参照物，解算弹丸飞行姿态。
The apparatus consists of a single board microcomputer, propeller type velocity sensor, tail fin type flow direction sensor and corresponding interface circuits and software.
该仪器以单极微机为核心，配置旋浆流速传感器、尾舵式流向传感器、相应的接口电路和软件。
Being used as a current direction sensor, this compass is suitable for all kinds of current meters required by measuring direction.
此种罗盘可用于各种海流计上作为测向传感器，也可用于其他需测方位角的仪器上。
Being used as a current direction sensor, this compass is suitable for all kinds of current meters required by measuring direction.
此种罗盘可用于各种海流计上作为测向传感器，也可用于其他需测方位角的仪器上。
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