The viability of multilayer switches depends on the protocol supported. 多层交换机的生命力依赖于支持的协议。
The inevitable defects of international intellectual property conventions make it clear the continued viability of territoriality doctrine of intellectual property. 摘要知识产权国际公约自身不可避免的缺陷昭示了知识产权地域性原则延续的生命力。
