evaluation of scie ntific dev elopment. Nature security ty pe --nature security is t o mainte nance people of healt h value for target, t hroug h stre ngthe ning security ba sed management, and risk management , and e qui pment ma nagement a nd technol ogy supervision, ensure producti on in t he people, a nd real, a nd system, and system, element s security re liable , and harmony unifie d, full