April 15th arrived
The Ninth National Security Education Day
This year's theme is:
"The 10th Anniversary of Innovation and Leadership"
Establish a sense of national security
Consciously care about and safeguard national security
It is the basic obligation of every citizen
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@所有人, please check the "feast of knowledge" on national security 
@所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security @所有人, please check the "feast of knowledge" on national security 
