前: front向: direction保持: keep; hold; retain; maintain ...反向保持: backward holding航向保持: control of heading; heading hold; stand on航向保持性: course keeping quality; course stability; directional stability; yawstability航向保持能力: course keeping ability; course-keeping ability航向保持偏差: steering bias航向保持试验: course keeping test航向保持系统: course-keeping system航向保持限度: heading hold limit航向保持正确: course made good航向保持按键开关: heading hold switch航向保持信号灯: heading hold light前向: forward; froward direction向保证: assure保持: (维持; 使不消失或减弱) keep; hold; retain; maintain; preserve 保持安静 keep quiet; 保持优势 hold on to a dominant [favorable] position; 保持警惕 maintain vigilance; be on the alert; 保持清洁 keep clean; 保持优良传统 preserve good traditions; 保持劳动人民的本色 retain the characteristics of the working people; 保持冷静的头脑 keep a cool head; keep cool; 保持跳高纪录 retain the high jump record; 保持优良品质 retain the fine qualities; 保持党政机关的廉洁 keep the party and government departments honest and clean; 保持活力 maintain vitality; 保持均势 maintain parity; 保持安全距离 wide berth反向保护: reversal protection反向保险丝: direction reversal fuse横向保护: cross-protection轴向保险: fuse-axial lead转向保险: steering lock转向保险角: steering lock angle礁前向: fore-reef facies前向边: forward edge