نتایج جستجو برای: electronic resources

تعداد نتایج: 483580  

Journal: :Library Collections, Acquisitions, and Technical Services 2001

Journal: :Современные наукоемкие технологии (Modern High Technologies) 2021

Journal: :Journal of physics 2023

Abstract With the increase of number modern equipment, expansion equipment scale, and requirements actual combat for long-term standby duty, role significance spare parts support scheme in life cycle system gradually become prominent. Taking electronic as research object, this paper analyzes relative changes between utilization rate fill under different composition scales. It introduces strateg...

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