| 释义 |
〔driftage〕Deviation from a set course caused by drifting.偏移：由于漂动而从既定路线上偏离〔deviation〕Deflection of a compass needle caused by local magnetic influence, especially on a ship.罗盘偏航：指南针由于局部磁场的影响发生偏移，尤指在船上〔Bradley〕English astronomer who discovered the aberration of light (1728) and the earth's nutation (1748).布拉德利，詹姆斯：(1693-1762) 英国天文学家，他发现了光偏移（1728年）和地球章动（1748年） |