Ballast Systems什么意思?

Ballast Systems什么意思? Ballast Systems什么意思 queuing systems 什么意思 zodiac systems什么意思 Incorporating protection against macro risks:ballast,not bulletproofing什么意思?ballast,not bulletproofing是一个什么比喻?不太懂... Ortho Diagnostic Systems什么意思 UNIVERSAL SURVEILLANCE SYSTEMS什么意思 福特福克斯ENGINE SYSTEMS FAULT什么意思? thc family of linear systems什么意思 vehicle based systems什么意思啊 PCP-organic host-guest systems什么意思 industrial control electronics devices,systems and applications什么意思 operating systems的中文意思 Thermal Analysis and Design of Electronic Systems这门课程中文什么意思 ballast意为压载物,Sub-ballast是什么意思? Working under minimal direction,design and analyzes systems?请问这句话的意思,minimal是代表什么意思? [boot loader]、[operating systems]啥意思 Schema-based systems 中文意思是什么?