航行试验中测向仪效用试验及自差曲线校正。
探向器，方位仪
direction finder
暂无补充释义。
相关例句
相关词条
in the direction of
grain direction【纸】
direction non-equilibrium factor of passenger flow【交】
cephalocaudal direction
controlling for stock travelling otherwise than in the direction of the material
direction of public opinion
reversal of rotational direction (reversal of rotation)
aircraft control according to attitude, altitude, flight direction