English translation for "磁差年变化"

annual change of magnetic variation
annual change of variation
annual change variation

Similar Words：

"磁差测定仪针" English translation, "磁差调整旋钮" English translation, "磁差动引信" English translation, "磁差动装置" English translation, "磁差角" English translation, "磁差曲线" English translation, "磁差图" English translation, "磁差校正" English translation, "磁差校正卡" English translation, "磁差修正" English translation