Air traffic management (ATM) requires the handling big data of moving objects, such as flight trajectories.There is, however, a lack of specialized tools for trajectory-data management, where the spatiotemporal data Lint Filter are first class citizens.Instead, specialized algorithms for trajectory-data management are built on top of existing geosp
Background and aims: Power plants are the most important infrastructure for economic development with technological advances and sophisticated technology , are subject to risks and accidents.Despite of uncertainty and ambiguity , offer the Solution that can by combine information to identify hazards , assess and risk rank ing may effective to contr
An abrupt increase in urban road traffic flow caused by incidental congestion is considered.The residual traffic capacity varies in different lanes after an accident, and the influence of accident duration on Snacks traffic flow is taken into account.The swallowtail catastrophe model was built based on catastrophe theory.The critical state of traff
Preservation of meniscal tissue has been proven to be the best approach in most cases of meniscal tears.Currently available techniques for treating a peripheral Cyberverse meniscal tear include inside-out, outside-in, and all-inside techniques.Each of these techniques present potential advantages and disadvantages.Despite technologic advances in al