保持: keep; hold; retain; maintain ...量: measure capacity初保持量: initial retention初始保持量: initial retention净保持量: net retention; net(t) retention平均保持量: average retention化学剂保持量: retention净干盐保持量: retention by assay甘油保持量试验: glycerol-retention test持量: field component磁持量: magnetic-field component维持量: maintenance dose综合支持量: aggregate measure of support; ams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初期身体持量: initial body retention农产品综合支持量: ams现行综合支持量: current total ams保持,保留: retain保持…开心: keep…happy保持（职位）: hold down保持，坚持: keeto保持，剩余: remain保持，维护: to maintain(in good repair, condition)保持，振作: keeup保持；维修: maintain
