Long Polling: Also known as Asynchronous Polling, this method is a hybrid of pure server push and client pull.
长时间轮询：也就是所谓的异步轮询，这种方式是纯服务器端推送方式和客户端拉取方式的混合。
Based on this architecture and bottleneck constraint, a push and pull method is presented.
提出了基于瓶颈思想的供应链多阶多厂产能规划方法，并给出了产能规划体系框架。
In this article, both the design and producing method of plastic window with gauze, which is one of the series of push and pull Windows of RPVC special-shaped profile have been introduced.
介绍r PVC异型材推拉窗系列中纱窗型材断面和模具的设计及生产制造方法。
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