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航向保持試驗: course keeping test航向保持系統(tǒng): course-keeping system航向保持限度: heading hold limit航向保持正確: course made good航向保持按鍵開關: heading hold switch航向保持信號燈: heading hold light前向: forward; froward direction向保證: assure保持: (維持; 使不消失或減弱) keep; hold; retain; maintain; preserve 保持安靜 keep quiet; 保持優(yōu)勢 hold on to a dominant [favorable] position; 保持警惕 maintain vigilance; be on the alert; 保持清潔 keep clean; 保持優(yōu)良傳統(tǒng) preserve good traditions; 保持勞動人民的本色 retain the characteristics of the working people; 保持冷靜的頭腦 keep a cool head; keep cool; 保持跳高紀錄 retain the high jump record; 保持優(yōu)良品質 retain the fine qualities; 保持黨政機關的廉潔 keep the party and government departments honest and clean; 保持活力 maintain vitality; 保持均勢 maintain parity; 保持安全距離 wide berth反向保護: reversal protection反向保險絲: direction reversal fuse橫向保護: cross-protection軸向保險: fuse-axial lead轉向保險: steering lock轉向保險角: steering lock angle礁前向: fore-reef facies前向邊: forward edge