The oil source of oilsand in northern Kashi sag came from Jurassic hydrocarbon source whose reservoir-forming stage might be from Miocene to Pliocene.

喀什凹陷北部油砂的油源来自于侏罗系烃源岩，成藏期为中新世至上新世。

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E-file management should get involved in the forming stage in advance, strict managing system should be set up to ensure the safety of e-file information.

电子档案管理要提前介入电子文件的形成阶段，建立严格的制度和管理系统，确保电子档案信息的安全。

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The strain rate of each forming stage is controlled in the range of 7475 alloy's strain rate. This shows the design of pressure-time curve is reasonable.

零件变形各阶段的应变速率控制在7475合金的应变速率范围内，证明压力-时间曲线设计合理。

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Umbrellas used as boats, umbrellas as flying machines, an umbrella forming the central stage.

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