毕设项目：基于WebGIS实现的全国主要机场航班查询及动态展示系统

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).Cesium={})}(this,function(exports){"use strict";function defined(e){return null!=e}function DeveloperError(e){var t;this.name="DeveloperError",this.message=e;try{throw new Error}catch(e){t=e.stack}this.stack=t}defined(Object.create)&&(DeveloperError.prototype=Object.create(Error.prototype),DeveloperError.prototype.constructor=DeveloperError),DeveloperError.prototype.toString=function(){var e=this.name+": "+this.message;return defined(this.stack)&&(e+="\n"+this.stack.toString()),e},DeveloperError.throwInstantiationError=function(){throw new DeveloperError("This function defines an interface and should not be called directly.")};var Check={};function getUndefinedErrorMessage(e){return e+" is required, actual value was undefined"}function getFailedTypeErrorMessage(e,t,i){return"Expected "+i+" to be typeof "+t+", actual typeof was "+e}function defaultValue(e,t){return null!=e?e:t}function MersenneTwister(e){null==e&&(e=(new Date).getTime()),this.N=624,this.M=397,this.MATRIX_A=2567483615,this.UPPER_MASK=2147483648,this.LOWER_MASK=2147483647,this.mt=new Array(this.N),this.mti=this.N+1,this.init_genrand(e)}Check.typeOf={},Check.defined=function(e,t){if(!defined(t))throw new DeveloperError(getUndefinedErrorMessage(e))},Check.typeOf.func=function(e,t){if("function"!=typeof t)throw new DeveloperError(getFailedTypeErrorMessage(typeof t,"function",e))},Check.typeOf.string=function(e,t){if("string"!=typeof t)throw new DeveloperError(getFailedTypeErrorMessage(typeof t,"string",e))},Check.typeOf.number=function(e,t){if("number"!=typeof t)throw new DeveloperError(getFailedTypeErrorMessage(typeof t,"number",e))},Check.typeOf.number.lessThan=function(e,t,i){if(Check.typeOf.number(e,t),i<=t)throw new DeveloperError("Expected "+e+" to be less than "+i+", actual value was "+t)},Check.typeOf.number.lessThanOrEquals=function(e,t,i){if(Check.typeOf.number(e,t),i<t)throw new DeveloperError("Expected "+e+" to be less than or equal to "+i+", actual value was "+t)},Check.typeOf.number.greaterThan=function(e,t,i){if(Check.typeOf.number(e,t),t<=i)throw new DeveloperError("Expected "+e+" to be greater than "+i+", actual value was "+t)},Check.typeOf.number.greaterThanOrEquals=function(e,t,i){if(Check.typeOf.number(e,t),t<i)throw new DeveloperError("Expected "+e+" to be greater than or equal to"+i+", actual value was "+t)},Check.typeOf.object=function(e,t){if("object"!=typeof t)throw new DeveloperError(getFailedTypeErrorMessage(typeof t,"object",e))},Check.typeOf.bool=function(e,t){if("boolean"!=typeof t)throw new DeveloperError(getFailedTypeErrorMessage(typeof t,"boolean",e))},Check.typeOf.number.equals=function(e,t,i,r){if(Check.typeOf.number(e,i),Check.typeOf.number(t,r),i!==r)throw new DeveloperError(e+" must be equal to "+t+", the actual values are "+i+" and "+r)},defaultValue.EMPTY_OBJECT=Object.freeze({}),MersenneTwister.prototype.init_genrand=function(e){for(this.mt[0]=e>>>0,this.mti=1;this.mti<this.N;this.mti++){e=this.mt[this.mti-1]^this.mt[this.mti-1]>>>30;this.mt[this.mti]=(1812433253*((4294901760&e)>>>16)<<16)+1812433253*(65535&e)+this.mti,this.mt[this.mti]>>>=0}},MersenneTwister.prototype.genrand_int32=function(){var e,t,i=new Array(0,this.MATRIX_A);if(this.mti>=this.N){for(this.mti==this.N+1&&this.init_genrand(5489),t=0;t<this.N-this.M;t++)e=this.mt[t]&this.UPPER_MASK|this.mt[t+1]&this.LOWER_MASK,this.mt[t]=this.mt[t+this.M]^e>>>1^i[1&e];for(;t<this.N-1;t++)e=this.mt[t]&this.UPPER_MASK|this.mt[t+1]&this.LOWER_MASK,this.mt[t]=this.mt[t+(this.M-this.N)]^e>>>1^i[1&e];e=this.mt[this.N-1]&this.UPPER_MASK|this.mt[0]&this.LOWER_MASK,this.mt[this.N-1]=this.mt[this.M-1]^e>>>1^i[1&e],this.mti=0}return e=this.mt[this.mti++],e^=e>>>11,e^=e<<7&2636928640,e^=e<<15&4022730752,(e^=e>>>18)>>>0},MersenneTwister.prototype.random=function(){return 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