在一端封闭、一端开口的火焰传播管中均匀布置障碍物，研究了障碍物结构对管道中预混火焰传播的影响。
The influence of the configuration of obstacles on premixed flame acceleration in a tube has been studied in this paper.
弹性波在含有孔洞、裂纹或界面等障碍物的结构中传播时，会在它们附近发生散射，导致散射体附近产生动应力集中。
When elastic waves propagate in structures with obstacles such as cutouts, cracks or interfaces and so on, wave scattering and dynamic stress concentration can occur near these scatterers.
基本上仅有四种结构能够用作在水流或障碍物上架桥：钢梁、悬臂结构、拱结构和悬索体系。
Basically there are just four types of structures that can be used to bridge a stream or other obstacle: rigid beams, cantilevers, arches, and suspension systems.
针对机器人“履带—关节”的特殊结构，分析了机器人在典型地形下的通过性，并且设计了一套机器人自主跨越障碍物的动作规划算法。
Aiming at the special structure of the robot, track-joint, the overpass ability in typical terrain is analyzed. And an action-plan algorithm is designed about how to cross the obstacle automatically.
双足机器人有良好的地面适应能力，它可以通过改变腿部结构来达到跨越不同的障碍物的，具有广阔的应用前景。
The biped robot has better adaptability to ground, it has wide application prospect, it may reach over various obstacles by changing the structure of the legs.
该系统具有结构简单、精度高、成本低廉和可靠性强等优点，能够满足倒车时障碍物检测的需求。
The system features advantages of simple structure, high precision, low cost, good reliability, etc., and it can satisfy the requirement for detecting the obstacle while backing.
这里有4类基本结构可以用作水面上的或障碍物上的桥：刚架桥、 悬臂桥、拱桥、和悬索桥体系。
There are four categories of basic structure can be used as water or obstructions on the bridge: rigid frame bridge, cantilever bridge, arch, and suspension system.
通过运用自行设计的火焰加速系统，文章研究了立体结构障碍物对预混甲烷火焰传播过程中火焰传播速度和超压的影响。
The result shows that the barriers and plastic film used in the experiment have a great influence on the flame thickness.
啄木鸟、麻雀和鸽子在视网膜系统上有类似的结构，这大概使它们寻找异性和定位亮色障碍物时具备一些优势。
Woodpeckers, sparrows and pigeons have a similar setup in the retina department, which presumably gives them an advantage when it comes to finding mates or spotting brightly colored berries.
啄木鸟、麻雀和鸽子在视网膜系统上有类似的结构，这大概使它们寻找异性和定位亮色障碍物时具备一些优势。
Woodpeckers, sparrows and pigeons have a similar setup in the retina department, which presumably gives them an advantage when it comes to finding mates or spotting brightly colored berries.
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