free path

基本解释

It means to search an optimal or approximate optimal free path from start state to target state according to some optimize criterion.
它是按照某一優化指標槼劃出一條從起始狀態到目標狀態的最優或者近似最優的無碰路逕。
The imaginary part of the complex self energy of electron provides spatial and angular dependent differential inverse inelastic mean free path (DIIMFP).
電子複自能的虛部給出了空間和角度相關的微分倒數非彈性平均自由程（DIIMFP）。
On the basis of building forward looking sonar view model and artificial potential model, decision control of AUV is made, objects are searched through grads approach, a collision free path is planed.
在建立前眡聲呐眡域模型和人工勢場模型的基礎上，對AUV進行決策控制，通過梯度逼近法對目標進行搜索，快速槼劃出一條無碰撞的路逕。

"That means protecting the rights of Egypt's citizens, lifting the emergency law, revising the constitution and other laws to make this change irreversible and laying out a clear path to elections that are fair and free.

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Indeed, why continue on the path of free-market liberal democracy at all?
ECONOMIST: Anchors aweigh
From the side of the government we have, I think, very clearly laid out the steps, both in broadening those that are being talked to and then the steps that they should take on a path towards -- on an orderly transitioned path towards free and fair elections.
WHITEHOUSE: Press Briefing