它允许您在只读介质—通常是空间有限的介质—上运行操作系统，同时您可全面访问系统的其余部分。
It lets you run the operating system from read-only - and often space-constrained - media, while giving you full access to the rest of the system.
针对光子晶体在行波管中的应用，对有限开敞介质光子晶体的模式和带结构进行了分析和计算。
In this article, dielectric photonic crystals (PhC) with finite dimensions and exposed in air is analyzed for its potential value in traveling wave tubes (TWTs).
从理论上分析了各向同性弹性介质中有限长充液圆柱壳的自由振动特性。
The axisymmetric vibration characteristics of finite length fluid-filled cylindrical shells in elastic medium are analyzed systematically in theory.
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