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GPS�l(w��i)�nj�(du��)�r(sh��)�b��
gps�l(w��i)�nj�(du��)�r(sh��)�b�îa(ch��n)���ñ����N�b���g(sh��)���a(ch��n)���Ը���оƬ�M(j��n)�п��������о��ȸߡ���(w��n)���Ժ����������o�e���`����ܵ�����ȭh(hu��n)���l���������ԃr(ji��)�ȸ���������(ji��n)�Ρ���S�o(h��)�����c(di��n)���m�ϟo��ֵ����
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NTP�ڕr(sh��)����(w��)��
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GPS�y(t��ng)һУ�r(sh��)�b��
gps�y(t��ng)һУ�r(sh��)�b�îa(ch��n)���Ϻ��J��늚����޹�˾�����O(sh��)Ӌ(j��)���аl(f��)��kϵ��g(sh��)ps/�����l(w��i)��ͬ���r(sh��)����b����gps/������̖(h��o)��r(sh��)�g����(zh��n)����(n��i)Ƕ�H���е�ntp-server����(w��)����ntp/sntp�f(xi��)�hͬ���W(w��ng)�j(lu��)�е�����Ӌ(j��)��C(j��)�����������O(sh��)�䣬��(sh��)�F(xi��n)�W(w��ng)�j(lu��)�ڕr(sh��)��
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GPSͬ���r(sh��)犿�
gpsͬ���r(sh��)犿���������(du��)�r(sh��)�b��,ntpͬ���r(sh��)�,gps�l(w��i)���Ԅ�(d��ng)�ڕr(sh��)犣����Ϻ��J��늚����޹�˾�_�l(f��)���´�ͬ���ڕr(sh��)�O(sh��)�䣬���ÿ����ͼܘ�(g��u)��ͨ�^���Qݔ�뿨�����O(sh��)��������r(sh��)犺͔U(ku��)չ�r(sh��)�֮�g�`����������(sh��)�F(xi��n)���O(sh��)���N��(y��ng)�á�
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GPS�r(sh��)犽����b��
gps�r(sh��)犽����b���O(sh��)������c(di��n)1��֧�ֆ�gps���α�������cdma���pgps���p������ gps/����/cdma�pϵ�y(t��ng)���ՙC(j��)����,��(sh��)�F(xi��n)�����(zh��n)�����ڕr(sh��)��2�����|(zh��)�Ĺ��I(y��)Ԫ������ˮ��(zh��n)��늚��O(sh��)Ӌ(j��)�����ܶȼ��ɵ��·�Y(ji��)��(g��u)��3�������p��̎���������ȸ�,ͬ���������Ƿ�(w��n)����
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ҕ�l��a���r(sh��)�g�@ȡ(gps�����ԭ��犕r(sh��)�,�l(w��i)���ڕr(sh��)����(w��)��,gps�W(w��ng)�j(lu��)У�r(sh��)�x)�Ǟ�W(w��ng)�j(lu��)�O(sh��)���ṩ��(zh��n)�_����(bi��o)��(zh��n)����ȫ���ɿ��Ͷ๦�ܵĕr(sh��)�g����(w��)�Ľ�Q���������ṩ��(zh��n)�_��ͬ���r(sh��)���̖(h��o)��֧�֘�(bi��o)��(zh��n)��ntp/sntp�W(w��ng)�j(lu��)�ڕr(sh��)�f(xi��)�h�����ṩntp�W(w��ng)�j(lu��)�ڕr(sh��)������У�r(sh��)��irig-b��̖(h��o)��ieee1588�f(xi��)�h��1pps�}�_��̖(h��o)ݔ�����ɽ��c(di��n)��(b��o)����̖(h��o)ݔ������
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���ھW(w��ng)�r(sh��)犽y(t��ng)
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�����W(w��ng)�j(lu��)У�r(sh��)ϵ�y(t��ng)
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GPS�r(sh��)��ڕr(sh��)��
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NTP�ڕr(sh��)ϵ�y(t��ng)
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�o��ntp�r(sh��)�g����(w��)��(�r(sh��)�gУ��(du��)����(w��)��,�����l(w��i)�Ǖr(sh��)�gͬ��ϵ�y(t��ng),�W(w��ng)�j(lu��)�ڕr(sh��)�O(sh��)��)�Ǟ�W(w��ng)�j(lu��)�O(sh��)���ṩ��(zh��n)�_����(bi��o)��(zh��n)����ȫ���ɿ��Ͷ๦�ܵĕr(sh��)�g����(w��)�Ľ�Q���������ṩ��(zh��n)�_��ͬ���r(sh��)���̖(h��o)��֧�֘�(bi��o)��(zh��n)��ntp/sntp�W(w��ng)�j(lu��)У�r(sh��)�f(xi��)�h�����ṩntp�W(w��ng)�j(lu��)��(du��)�r(sh��)�����ڌ�(du��)�r(sh��)��irig-b��(du��)�r(sh��)��ieee1588��(du��)�r(sh��)��1pps�}�_��(du��)�r(sh��)���ɽ��c(di��n)��(b��o)����̖(h��o)ݔ������
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����/GPS�pģ�r(sh��)�ϵ�y(t��ng)
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GPSͬ���r(sh��)��b��
gpsͬ���r(sh��)��b��(gps�W(w��ng)�j(lu��)��(du��)�r(sh��),ntpУ�r(sh��)��,�r(sh��)�gͬ���a(ch��n))���ñ���gps�p�l(w��i)��ϵ�y(t��ng)�O(sh��)Ӌ(j��)���pϵ�y(t��ng)�����ڕr(sh��)�Ԅ�(d��ng)�ГQ��ͬ�r(sh��)���ձ�����gps�l(w��i)����̖(h��o)��ֱ�ӝM������r(sh��)犵Ķ��r(sh��)�g����(zh��n)ԴҪ�����O(sh��)���(n��i)�ú�ؾ��w犻��犣����ñ����cgps�r(sh��)��̎��ģ�͵�犿�̎���㷨����Ч�،�gps�ڕr(sh��)ƽ���^�ɵ������ڕr(sh��)���ṩ��N�r(sh��)�l��(bi��o)��
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�W(w��ng)�j(lu��)�r(sh��)�ͬ��ϵ�y(t��ng)
�W(w��ng)�j(lu��)�r(sh��)�ͬ��ϵ�y(t��ng)ʹ�Ø�(bi��o)��(zh��n)�ĕr(sh��)���Ϣͨ�^tcp/ip�W(w��ng)�j(lu��)��ݔ��֧�ֶ�N���еĕr(sh��)�g�l(f��)���f(xi��)�h����ntp,time/udp,߀��֧�ֿ��O(sh��)�õ�udp�˿ڵ��J�ʶ��x�ĕr(sh��)�g�V����(sh��)��(j��)����ntp��time/udp�Ķ˿�̖(h��o)�քe�̶���rfc-123��rfc-37ָ����123��37��
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NTP�r(sh��)犷���(w��)��
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GPS�ڕr(sh��)�O(sh��)��
gps�ڕr(sh��)�O(sh��)��ɲ��ö�N�r(sh��)�g����(zh��n)��̖(h��o)���ࡢ�Դ���������C���ڕr(sh��)ϵ�y(t��ng)�\(y��n)�еĿɿ��ԣ�����Ӳ����(sh��)�r(sh��)����̎��r(sh��)��(bi��o)���C���ڕr(sh��)�Ĝ�(zh��n)�_��������ģ�K��ݔ���ӿڱ��C���ڕr(sh��)���`���ԣ����Ը���(j��)�͑�����U(ku��)չ���·�r(sh��)�g��̖(h��o)ݔ����
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�W(w��ng)�j(lu��)�r(sh��)�ͬ���O(sh��)��
�W(w��ng)�j(lu��)�r(sh��)�ͬ���O(sh��)�䣨ntpУ�r(sh��)�x,�����W(w��ng)�j(lu��)�ڕr(sh��)ϵ�y(t��ng),ntp�W(w��ng)�j(lu��)�r(sh��)�g��(du��)�r(sh��)������gps��̖(h��o)����r(sh��)�gԴ��ͬ�r(sh��)���x������̖(h��o)��irig-b�a��ocxo���ԭ��犡�cdma��̖(h��o)�ȕr(sh��)�gԴ����(n��i)Ƕntp/sntp�f(xi��)�h��ͬ���W(w��ng)�j(lu��)�е�Ӌ(j��)��C(j��)����(w��)�������������O(sh��)�䣬��(sh��)�F(xi��n)�W(w��ng)�j(lu��)�ڕr(sh��), �Ǟ�W(w��ng)�j(lu��)�O(sh��)���ṩ��(zh��n)�_����(bi��o)��(zh��n)����ȫ���ɿ��ĕr(sh��)�gͬ������(w��)���x������(y��ng)�ã�ͨ���c��Ϣ�W(w��ng)�����ϵ�y(t��ng)�����������I(y��)����ͨ���\(y��n)ݔ�������C(j��)�P(gu��n)���������T��
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Ӳ�P���C(j��)�r(sh��)犽y(t��ng)
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����ҕ�l�O(ji��n)�ؾW(w��ng)�r(sh��)犽y(t��ng)
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���ھW(w��ng)�r(sh��)�ͬ��
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GPS�W(w��ng)�j(lu��)�r(sh��)�gͬ���O(sh��)��
gps�W(w��ng)�j(lu��)�r(sh��)�gͬ���O(sh��)���ͨ�^��̫�W(w��ng)��internet�o��“(li��n)�U(ku��)չ������gps��������ntp�f(xi��)�h�l(f��)�͵�ͬ����̖(h��o)�͕r(sh��)�g��Ϣ������Nϵ�y(t��ng)���Ԅ�(d��ng)���b���ṩ��(zh��n)�_�ĕr(sh��)�g��Ϣ�͕r(sh��)�gͬ����̖(h��o)��
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