constancyn.坚定不移;恒久不变;忠诚;【生】恒有度
constancy of heater motion加热器恒定运动
constancy of test condition试验工况的稳定性
constancy of apparent speed视速恒常性
CONSTANCY AND DISCRETION.望坚贞和谨慎。”
constancy of available acts有效行为的不变性
constancy of interfacial angle面间角守恒定律|面角守恒定律
constancy measuring instrument等值灵敏度测定仪