例句與造句

1. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model , the circular region the radius of which is equal to capture radius is defined as target set , capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined , and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup , the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained
   本文將近地共面軌道內(nèi)運動的兩飛行器非線性追逃模型簡化為線性模型,以捕獲半徑的圓域定為目標(biāo)集,確定目標(biāo)集邊界上的可用部分,并以此為各狀態(tài)變量的起點,對時間進(jìn)行倒向積分,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優(yōu)推力,即求得了滿足最優(yōu)策略時相對運動的軌跡和推力。
2. It's difficult to find linear barrier in a sentence. 用linear barrier造句挺難的