free harbour=free port 自由港
trade-wind zone [= zone of trade wind] 信风带; 信风区
a method of free vibration 自由振动法
a stream of free flow 自由流股
ability of free radical scavenging 自由基清除能力
acceleration of free fall 自由落体加速度
acceleration of free falling body 自由落体加速度
accounting of free services 无偿服务核算
Act Governing Establishment and Management of Free Ports 自由贸易港区设置管理条例
admission of goods free of duty 准许免税输入商品
aluminium-lined cot free of treatment 铝衬套免处理胶辊
amplitude of free oscillations 自由振荡振幅
Amplitude of oscillation of free ends 自由端振幅响应
Analysis of free radical 自由基检测
Approximate equation of free energy 自由能近似方程
bearing bush free of lubrication 免加油轴承套筒
behaviour of free vibration 自振特性
Berthing at Free of Charge 免费靠泊于。。。。。。
carbide-free zone 贫碳化物区