??Ʒ????
??ʶ??Ʒ
??????Ʒ
激光双层隐秘式
 

 

 

?????ص?
??
激光双层隐秘式
   ??ʶ????
    1????ʶ???Ϊ????ͼ??,???м????α??ǩ??һ??????????α????һ??ӡˢ?????ı??档
    2???β?Ϊ????ȫϢ????㣬???࣬???׽??β?????ת?ƣ??м?ǿ?ķ?α???ܡ?
    3???????β?ͼ????ɫ??ͨ??????ͬ??
    4???????β??׽ҿ????ҿ???β???ճ?ԣ??޷????θ??ϣ???ʶһ?????ҿ???Ͳ????ٴα?ʹ?ã??ҿ????ƻ??ñ?ǩ??
 
   ??????ʽ
    ????˫???????ͱ?ʶ?Լ???ȫϢ????Ϊ??????????????α??????ʵ?ֶ෽λ??ѯ??????????ʽ??
    ??һ?֣??ҿ?????ʱ????ճĤ???Ͽ?????????Ӧ???֡?
    ?ڶ??֣????????㼤??Ĥ???ϣ????ҿ????㼤??Ĥ????㻹?Ǽ???Ĥ???????????㼤??Ĥ?????ϲ?ͬ?????ݡ?
    ?????֣???Ͻ?¶?ư漼?????ҿ?????ʱ???ڱ?ճ??Ʒ?????????Ԥ????ͼ????Ϣ????????οգ???ײ??ͼ????Ϣ??????ԡ?
 
   Ӧ??????
    1???ʺ???????OPP??PE??PET????ͨ???ϰ?װ?ı??棬??????ƽ???Ľ??????档
    2????Ҫ????ҽҩ?????Ӳ?Ʒ????ҵ??
    3???????????κ???ɫ????Ʒ???棬?????޷????ԣ?????ʶ??????Ӱ?졣
    4??????????ĥɰ?е???????