Its first stage is a souped-up version of one of the shuttle's solid-fuel rockets; its top stage is a similarly muscled-up model of the Saturn's massive J2 engines.
该火箭的第一级是发射航天飞机用的固体燃料火箭的马力加强版;顶端一级是同样增强了马力的用在土星火箭上的J2巨型发动机。
Conclusion: The small organic compound J2 could mediate immunosuppression.
结论:小分子有机化合物J 2具有一定的免疫抑制作用。
J2 method - inlet of inclined plane and horizontal plane into 60 degree Angle.
J2 制法--进料口的斜面与水平面成60度角。
A precision analytical equation to relative motion of formation flying satellites for J2 perturbation is presented.
给出了一种描述J2摄动情况下编队飞行卫星相对运动的精确解析模型。
Objective To study the effect of a small-molecule compound J2 in the inhibition of skin allograft rejection in mice.
目的探讨小分子免疫抑制药J2抑制小鼠皮肤移植排斥反应的作用。
The variation equation of the satellite orbit elements under both J2 and drag perturbations was derived based on the Gauss perturbation equation.
基于高斯摄动方程,推导了卫星在同时考虑J2和大气摄动情况下的轨道根数变化方程。
The constitutive relationship of bucket foundation was analyzed by the principle of J2 flow theory and isotropic based on a deformable distinct element method.
利用J 2流动理论各向同性硬化原理,结合离散元方法,建立筒型基础土体本构关系。
Then a control method considering the J2 perturbation based on Encke's linearization equation is proposed to maintain the relative motion of the constellation.
进而导出了带有J2项摄动的环绕星相对运动方程,并给出了基于惯性笛卡尔坐标系运动学变量的相对轨道控制方法。
Two impulsive control strategys for formation keeping were put forward with regard to the problem that satellites formation could be destroyed under J2 perturbation.
针对卫星编队轨道构形在J2摄动干扰作用下被破坏的问题,给出了两种构形保持脉冲控制策略。
Two impulsive control strategys for formation keeping were put forward with regard to the problem that satellites formation could be destroyed under J2 perturbation.
针对卫星编队轨道构形在J2摄动干扰作用下被破坏的问题,给出了两种构形保持脉冲控制策略。
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