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time - Scenario time (sec). pos - Central Body Fixed position (meters). vel - Central Body Fixed velocity (meters/sec). 备注：CBF coordinates may be converted to any other system using commands in the Aerospace Toolbox. The command stkCentralBody may be used to obtain the central body name of the object. 2.12.3 stkSetFacPosCBF 作用：Set Facility Position, Central Body Fixed coordinates 用法：stkSetFacPosCBF('facPath', pos) 说明：facPath - Valid facility class path, may be obtained from stkObjNames. pos - Central Body Fixed position (3x1, in meters). 备注：CBF coordinates may be obtained from any other system using commands in the Aerospace Toolbox. 2.12.3 stkSetFacPosLLA 作用：Set Facility Position, Geodetic coordinates 用法：stkSetFacPosLLA('facPath', llaPos) 说明：facPath - Valid facility class path, may be obtained from stkObjNames. llaPos - Geodetic lat, long, alt position (3x1, [rad; rad; meters]), or use the local terrain altitude by specifying lat, long only (2x1, [rad; rad]). 备注：LLA coordinates may be obtained from any other system using commands in the Aerospace Toolbox. 2.13 区域目标（Area Targets） 2.13.1 Area Target boundary 2.14 STK工具（STK Tools） 2.14.1 stkAccess 作用：获取链路间隔Access intervals 用法：intervals = stkAccess('fromPath', 'toPath') 说明：fromPath, toPath - String name of objects obtained from stkObjNames. intervals - Access interval times structure array with fields: start - start time of access interval stop - stop time of access interval 2.14.2 stkReport 作用：Generate an object report 用法：[secData, secNames] = stkReport('objPath', 'rptStyle') [secData, secNames] = stkReport('objPath', 'rptStyle', tStart, tStop, dT) 说明：objP