航海科技英汉词典
- non-line connection
- non-living resources
- non-navigational chart
- non-retractable fin stabilizer
- non-reversible diesel engine
- normal starting sequence
- north gyro
- north up
- notarial survey
- notice mark
- notice of readiness
- notice to mariners
- notify party
- noxious cargo, harmful cargo
- nozzle
- nozzle chamber
- nozzle governing
- nozzle valve
- nuclear [powered] ship
- nuclear fuel
- nuclear measurement system
- nuclear reactor
- nuclear reactor poisoning
- nuclear submarine
- null point
- numeral flag
- nutation
- obligation to render salvage service
- oblique distance between ships
- obliquity of the ecliptic
- obliquity of the moon path
- obscured sector
- observation
- observed altitude
- observed altitude correction
- observed density
- observed latitude
- observed longitude
- observed position, OP
- obstruction
- obstruction sounding
- occasional survey
- occluded front
- occupied bandwidth
- ocean current
- ocean current chart
- ocean monitoring ship
- ocean navigation
- ocean passage
- ocean region code