微量测定trace: n. (马车等的)挽绳,挽车的皮带;【机械工程】连动杆; ...thermal stability determaination: 热安定性测定a trace: a扫迹; a扫描轨迹; 踪迹a-trace: 扫描线no trace: 无线索下载手机词典可随时随地查词查翻译