freeairadj.大气的(自由空间)freeadj.自由的；免费的；畅通的；没有…的；未使用的；空闲的；随意的v.释放；使自由；使摆脱；解除；使可用于(某目的)adv.免费地；自由地free vibration properties自振特性free radical condensation自由基缩聚free-radical initiation自由基引发Free red-light cingulum空闲红光带Free viewpoint television自由视点电视freestanding diamond film自支撑金刚石膜freezing/heating probe冷热刀free molecule flowing law自由分子流动定律Freescale microcontroller飞思卡尔单片机free-jet-type turbine射流式水轮机