0 something that blocks you so that movement, going forward, or action is prevented or made more difficult -- 障碍；阻碍；妨碍
An interesting lack of uniqueness occurs in the case of flows past purely magnetic obstacles if the ionization is produced in a bow shock.
There are two distinct aspects of controlling a highly redundant robot such that it reaches its goal whilst avoiding all obstacles.
This provides smooth and reliable global motion paths which avoid local obstacles from the current position to the goal destination.
There are a number of obstacles, then, that can short-circuit the connection between democracy and the resources governments allocate to education.
For example, the sample points of a polyhedral obstacle can be the vertices of the polyhedron.
The concept of visible tangent links can be extended to arbitrary shaped obstacles.
The chief obstacle to such a law in the first part of the twentieth century was opposition from settlers and farmers.
Long terms variables, such as political culture, seem to be more important for understanding current obstacles at institutional consolidation.
