square field meaning in English

方形射野

Because emeritus determination of age is affirmatory through the consideration of square field surface
因为退休年龄的确定是经过方方面面的考虑而确定的。
The problem is described for the determination of optimal spacecraft trajectories in an inverse - square field using low - thrust in this paper . the differential equation of aircraft is obtained by simplification of atmospheric model , then we do non - dimensionalized the equations
本文主要讨论了在反平方场中采用小推力下飞行器的最优变轨问题，通过对大气模型的简化，建立了飞行器的运动微分方程，然后加以无量纲化。