上海地图边界坐标JSON文件 样例：{"type": "Feature","properties":{"id":"310114","name":"嘉定区","cp":[121.2437,31.3625],"childNum":1},"geometry":{"type":"Polygon","coordinates":[[[121.3014,31.4971],[121.3042,31.4971],[121.3097,31.4923],[121.3097,31.4882],[121.3124,31.482],[121.3165,31.4806],[121.3193,31.4751],[121.3138,31.4724],[121.3193,31.4669],[121.3165,31.4662],[121.3193,31.4628],[121.3179,31.46],[121.3206,31.4573],[121.3193,31.4559],[121.3234,31.4552],[121.3275,31.4497],[121.3261,31.4484],[121.3289,31.4408],[121.333,31.4401],[121.3371,31.4346],[121.3371,31.4188],[121.3358,31.4195],[121.333,31.4168],[121.333,31.412],[121.3303,31.4106],[121.3275,31.412],[121.3138,31.4079],[121.3165,31.4037],[121.3152,31.3982],[121.3206,31.3976],[121.3234,31.3941],[121.3206,31.3893],[121.3234,31.3886],[121.3261,31.3818],[121.3316,31.3797],[121.3303,31.3763],[121.3358,31.3701],[121.3358,31.3667],[121.3412,31.3577],[121.3385,31.3557],[121.3358,31.3509],[121.3316,31.3515],[121.333,31.3481],[121.3467,31.3392],[121.3412,31.3337],[121.3467,31.3248],[121.3454,31.3241],[121.3454,31.3206],[121.3495,31.3213],[121.344,31.3179],[121.3358,31.3042],[121.3316,31.3014],[121.3358,31.2939],[121.3289,31.2897],[121.3248,31.2911],[121.3289,31.2856],[121.333,31.2856],[121.3371,31.2774],[121.3344,31.276],[121.3371,31.274],[121.3577,31.2719],[121.3591,31.2691],[121.3618,31.2712],[121.3687,31.2691],[121.3673,31.2671],[121.3605,31.2678],[121.3591,31.263],[121.3646,31.2589],[121.3742,31.2582],[121.3756,31.2602],[121.3811,31.2575],[121.3783,31.2499],[121.3756,31.2451],[121.3715,31.2444],[121.3673,31.2472],[121.3632,31.241],[121.3564,31.2403],[121.3536,31.2369],[121.3481,31.2396],[121.3495,31.2431],[121.3467,31.2444],[121.344,31.2444],[121.344,31.2403],[121.3412,31.2396],[121.3371,31.2369],[121.3344,31.2362],[121.333,31.2314],[121.3152,31.2273],[121.2987,31.2307],[121.2918,31.2334],[121.2863,31.2437],[121.2822,31.2479],[121.2836,31.254],[121.2698,31.2534],[121.2643,31.2568],[121.2643,31.2589],[121.2547,31.2595],[121.2465,31.

测试用例的设计-边界值法例子~~~~~~~~~~~~~~~~

to solve the two-dimensional isotropic elastic wave equation using a finite-difference method with Convolutional Perfectly Matched Layer (C-PML) conditions.

三维电磁场FDTD程序(3D-FDTD-matlab)PEC边界，有需要的可以下载学习~

「数据安全」关键信息基础设施边界识别现状与趋势 - 网络安全 信息安全 安全测试 系统安全 网站安全 自动化

【主要内容】广州市各等级路网矢量数据+行政边界+shp矢量文件【使用对象】等级路网矢量数据【质量保障】任何问题私信我

各国边界线 共有243条数据 字段 id,continent(所属洲),country（国家名称）,jsoncoordinates（geojson格式的边界面） 边界数据是geojson格式 可直接用在openlayers项目中

数学物理方法课程第一类边界条件主体温度分布详细求解 并含有第二类边界条件下温度分布的matlab求解（本来应为第一类的）

边界进行8向链码编码，并对边界进行256色的循环着色。

广州市建筑物面数据shp格式，大约30万个面要素，究极无敌详细了。包含建筑面要素和楼层信息，可在arcgis打开，编辑。