These are word's examples related to obstruction. Click on any word to go to its word's detail page. Or, 更多关于obstruction的信息
Physical obstructions, concrete blocks, trenches, and pits make internal movement difficult, as do frequent curfews and closures.
While in the above cases the closing conditions imply infinitely many independent obstructions to trivialization, for actions of many other groups various rigidity phenomena appear.
Inconvenient obstructions like the old gaol-house were demolished.
The above discussion is based upon the assumption that the topography is uniform with no nearby obstructions.
We present here our current experience in the management of such obstructions.
We still do not understand very well what these global obstructions are.
The focus should be upon the recognition of unrelieved obstructions within the outflow tracts and/or residual shunts.
Of course, these data are limited by die small number of pulmonary venous obstructions encountered.
Coronary ostial obstructions were detected and successfully dilated in 2/26 patients.
Family history did not reveal cardiopulmonary anomalies, except for frequent recurrence of pulmonary airway obstructions necessitating inhalative bronchodilatatory treatment in the older brother.
To give a practical characterization of the obstructions, we introduce some operations which preserve path-width at most two.
The two main obstructions to shadowing are the existence of homoclinic tangencies and of heterodimensional cycles.
Topological obstructions to the integrability of geodesic flows on nonsimply connected i manifolds.
Our data demonstrate that endovascular stents can provide effective relief of residual obstructions in the early postoperative period.
In tight obstructions gradual balloon angioplasty leads to augmentation of the newly created venous channel.
