Send a message using HTTP and receive the response using the same HTTP channel (use of one dual-channel transport)

使用 HTTP 发送消息，并使用相同的 HTTP 通道接收响应（使用一个双向通道传输方法）

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Send a message using HTTP and receive the response using a different HTTP channel (two dual-channel transports).

使用HTTP发送消息，但使用不同的HTTP通道接收响应(使用两个双向通道传输方法)。

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The response of dual laterolog in tilted anisotropic sedimentary formation was simulated with the three-dimensional finite element method.

利用三维有限元法，模拟了电性各向异性倾斜沉积岩层的双侧向测井响应。

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Cocoon features a ported enclosure and a built-in, 2-way speaker system with dual-layer woofers for resounding low frequency response.

ENGADGET: Denon intros Cocoon Home and Portable AirPlay docks, will transform songs into musical butterflies

In addition to the new compact form factor, refinements have been made to the dual-analog stick controller to ensure lightning-fast response times and the best gaming experience possible.

ENGADGET: Wikipad in miniature: 7-inch gaming tablet to debut in spring for $249, 10.1-inch sees further delay

Ford declined to comment, but referred to a previously issued statement in response to a shareholder proposal to eliminate the dual-class structure.

FORBES: Ford Family's Stake Is Smaller, But They're Richer And Still Firmly In Control