���a(ch��n)Ʒ��Ҫ���O(sh��)��(n��i)�ݰ����z�y(c��)��ϵ�y(t��ng)�����Ķ�ϵ�y(t��ng)�Ȳ���,�����w��(n��i)��Ԕ��(x��)��B���£�

��һ�����Ķ�

���Ķ���Ҫ������(du��)�z�y(c��)�I(y��)��(w��)��Ϣ,����(bi��o)־�I(y��)��(w��)��Ϣ���z�y(c��)վ��Ϣ�����ȹ���,���ṩ�C(j��)��(d��ng)܇�z�y(c��)վGIS��(sh��)�r(sh��)�O(ji��n)��ϵ�y(t��ng),����(sh��)��(j��)�Q��֧��ϵ�y(t��ng)����Ϣ�l(f��)��ϵ�y(t��ng)�͙�(qu��n)�޹���ϵ�y(t��ng)�ӿ�,�������M(j��n)�����(g��)ϵ�y(t��ng),��

������Ϣ�l(f��)��ϵ�y(t��ng)؞����ϵ�y(t��ng)ʼ�K���ṩ���Ķ��c�z�y(c��)��,���������c�z�y(c��)��֮�g�Č�(sh��)�r(sh��)��ͨ����,�����C�����Ķ��c�z�y(c��)����Ϣ��ͨ�c��(sh��)�r(sh��)��Ϣ���Q,��

GIS��(sh��)�r(sh��)�O(ji��n)��ϵ�y(t��ng)����ҕ�l�O(ji��n)�غ͙z�y(c��)��(sh��)��(j��)�ɼ��ɂ�(g��)��ϵ�y(t��ng)�����ϵ�����Ϣ�YԴ�͙C(j��)��(d��ng)܇β��O(ji��n)�y(c��)�I(y��)��(w��)�YԴ,����O(ji��n)�y(c��)��(sh��)��(j��)�ṩ��(y��ng)�õķ�ʽ��;��,��ͨ�^(gu��)GIS�ı��F(xi��n)�����љC(j��)��(d��ng)܇β��O(ji��n)�y(c��)�ĽY(ji��)���M(j��n)�п�ҕ����չ�F(xi��n),����������ṩֱ�^,����Ч����ݵĹ����ֶ�,����߭h(hu��n)���I(y��)��(w��)���������c�����Q������,��

�Q��֧��ϵ�y(t��ng)�ṩᘌ�(du��)�z�y(c��)վ���(xi��ng)�z�y(c��)��(sh��)��(j��)��Ϣ����(bi��o)־�˰l(f��)�I(y��)��(w��)���(xi��ng)��(sh��)��(j��)�ľC�Ͻy(t��ng)Ӌ(j��)������ᘌ�(du��)�z�y(c��)�ϸ���,���A(y��)������Ϣ�ľC���u(p��ng)��,��

�������z�y(c��)��

�z�y(c��)��ϵ�y(t��ng)��܇�v�z�y(c��)���������֣���(sh��)�F(xi��n)��܇�v��Ϣ���,��܇�v�ŷřz�y(c��),���z�y(c��)��(b��o)��Č����c��ӡ���z�y(c��)��(sh��)��(j��)�IJ�ԃ�y(t��ng)Ӌ(j��),��ϵ�y(t��ng)߀�߂������x���z�y(c��)��������,��ͨ�^(gu��)��ϵ�y(t��ng)�Ľ��O(sh��)����Ч��Ҏ(gu��)���˸��z�y(c��)վ�Ĺ�������,�������˽���,���������h(hu��n)���ȶಿ�T�ķ�ɢ��(sh��)��(j��)������(sh��)�˸��z�y(c��)վ����Ϣ�����A(ch��),����V���Эh(hu��n)���O(ji��n)�y(c��)վ��(du��)���z�y(c��)վ��Ҏ(gu��)���������ṩ�����õ�֧��,��

���ڙz�y(c��)�˲����Ñ��^�࣬ϵ�y(t��ng)��(sh��)�F(xi��n)�ֽ�ɫ���,����ͬ��ɫ�в�ͬ�Ķ��ƽ��漰��(qu��n)�޹���,���V���бO(ji��n)�y(c��)վ�����Ķˣ����O(sh��)�Ùz�y(c��)��ÿ��ĵ�ꑕr(sh��)�g������ɫֻ���ڹ����r(sh��)�g��(n��i)�ſɵ��,����ֹ�˙z�y(c��)վ�ڷǹ����r(sh��)�g����,��ͬ�r(sh��)ϵ�y(t��ng)�Y(ji��)�϶�N����޶�����Ч��Ҏ(gu��)���˙z�y(c��)վ����,��