英语语法分析

While SIP is a request-response protocol, there is not necessarily only one response to every one request.

虽然 SIP 是请求-响应协议，但每个请求不一定只有一个响应与之对应。

Cerf has been working with NASA's Pasadena Jet Propulsion Laboratory—the people behind the recent Mars expedition—to design what he calls an "interplanetary Internet protocol."

瑟夫一直在与美国宇航局的帕萨迪纳喷气推进实验室（最近火星探测的幕后人员）合作，设计他所说的“星际互联网协议”。

The Kyoto Protocol, which set different duties for all countries to cut emissions, states that different countries should reduce their collective greenhouse emissions accordingly.

《京都议定书》为各国设定了不同的减排义务，规定各国应相应地减少各自的温室气体排放总量。