例句與造句

1. Guidance systems improved or introduced after the war included radio command, TV, inertial, astro navigation, various radar modes and, for some short-range missiles, control wires.
2. During the oral test the candidate may be required to answer questions on all aspects of ocean passage making in a yacht, including passage planning, astro navigation, worldwide meteorology, crew management, yacht preparation, maintenance and repairs.
3. It's difficult to find astro navigation in a sentence. 用astro navigation造句挺難的