To stability analysis of tethered balloon, a three dimensional nonlinear mathematical model tethered aerostat was assembled.为研究系留气球稳定性,建立了系留气球的三维非线性动力学模型....
Opposite me was a woman called Jasminder (Jazzy for short).我对面是一位名叫贾丝明德（简称杰丝）的女子。This condition is called seasonal affective disorder, or SAD for short.这种病情叫做季节性情感失调症，或简称SAD。He's only away for short periods, a week ...
He was dismayed at the cynicism of the youngsters.他对年轻人的玩世不恭感到惊愕。He stared at his favourite child, dismayed, filled with fear.他惊愕地盯着自己最宠爱的孩子，满心恐惧。He was dismayed to find that his hands were shaking.他惶恐地发现自己的手正在发抖。...