单词	off-the-shelf system
释义	off-the-shelf system 现用系统
随便看	defense effort Defense Electronic Bulletin Board Service Defense Electronic Countermeasure defense electronic product Defense Electronic Products defense electronics defense-electronics Defense Electronic Supply Center Defense Electronic Support Center Defense Eligibility Enrollment System defense emergency defense emzyme Defense Energy Information System Defense Department Defense Department Courier Service Defense Department Network defense departments defense department spokesman Defense Depot Maintenance Council Defense Development Exchange Program Defense Development Sharing Program defense dialogue Defense Dissemination Program Defense Dissemination System Defense Distinguished Service Medal