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.
它是按照某一优化指标规划出一条从起始状态到目标状态的最优或者近似最优的无碰路径。
The imaginary part of the complex self energy of electron provides spatial and angular dependent differential inverse inelastic mean free path (DIIMFP).
电子复自能的虚部给出了空间和角度相关的微分倒数非弹性平均自由程（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.
在建立前视声呐视域模型和人工势场模型的基础上，对AUV进行决策控制，通过梯度逼近法对目标进行搜索，快速规划出一条无碰撞的路径。

"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.

Kingston is always looking to provide a low-cost and hassle-free upgrade path for first-time users, so this drive is also available as an all-in-one bundle kit, including cloning software, 2.5" to 3.5" brackets and SATA data and power cable extenders.
ENGADGET: Kingston SSDNow V dips to 30GB size, lower price
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