Space manifolds act as the boundaries of dynamical channels enabling fast transportation into the inner- and outermost reaches of the Solar System. Besides being an important element in spacecraft navigation and mission design, these manifolds can also explain the apparent erratic nature of comets and their eventual demise. Here, we reveal a notable and hitherto undetected ornamental structure of manifolds, connected in a series of arches that spread from the asteroid belt to Uranus and beyond. The strongest manifolds are found to be linked to Jupiter and have a profound control on small bodies over a wide and previously unconsidered range of three-body energies. Orbits on these manifolds encounter Jupiter on rapid time scales, where they can be transformed into collisional or escaping trajectories, reaching Neptune’s distance in a mere decade. All planets generate similar manifolds that permeate the Solar System, allowing fast transport throughout, a true celestial autobahn.
Foreign secretary is an international profession. With the strengthening of the trend of global economic integration, the foreign-related secretarial major is faced with many problems that need to be solved in terms of personnel training objectives and all-round improvement of personnel’s comprehensive quality. From the basic attribute of foreign secretary, its global industry attribute makes the degree of internationalization become one of the most important standards. This paper discusses the occupation characteristics.
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