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.
鼻骨骨折可伴有中隔骨折和血肿.Fractures of the nose may be associated with septal tractures and hematomas.目的探讨鼻骨骨折影像学的检查方法.Objective To probe into the appropriate imaging examination method of nasal fracture.目的探讨直接数字化X线 摄影 ( directdigi...
Fronting water and with a hill at the back , this garden had a dense growth of evergreen trees and formed a " retreat away from the world " .这花园依山傍水,四面 苍松翠柏,绿树成荫,仿佛是 世外桃源.The police suspected her of fronting for a gang o...
Giving an arsonist a lighter is beyond a joke.把打火机交给纵火犯简直是不可理喻。Within two hours the arsonist was taken up by the police.纵火犯在两小时内就被警察抓住了.After he was banished as a arsonist, Axe and Spear kept him.在以纵火犯的身份被驱逐之后, 斧与矛收留了他....