I think that the vice president was in the loop...我认为副总统是局内人。The plane looped the loop three times.飞机连翻了三个跟头.The closed - loop interference fiber optic gyroscopes and strap down inertial measurement unit are introduced.介...
The behavior of halogen ions in alkaline - earth metal oxides + halogenide + molten slag of scales was investigated.研究了碱土金属氧化物+卤化物+氧化铁熔渣中卤离子的行为.In some way, positive and negative ions are developed in a thunderstorm.在雷雨中...