By using the finite element method, the dynamic stress caused by vertical contact impact between bolt locking surface and barrel extension locking surface of a new rifle was studied.

采用有限元方法研究了某新型自动步枪枪机闭锁面与节套闭锁面间垂直接触碰撞的动应力。

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Then vertical contact dynamics of tire is analyzed with contact patch considered, and that of the system composed of wheel, suspension and car body are analyzed by using modal synthesis method.

然后计算了考虑接地印迹长度的垂直接地动特性，并采用模态综合方法分析了车轮、悬架与车身组合系统的特性。

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The key to Silent Feet is slowly and simultaneously to contact the wall's vertical plane and the foothold's horizontal aspect - so visually track the movement.

幽灵步的关键是要缓慢且自然的接触岩壁的垂直面以及脚点的水平面所以需要用目光来注视着脚的移动。

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Today, the company has a portfolio of applications that are nearly 100 percent cloud based, with more than a dozen SaaS applications and cloud services ranging from salesforce.com to Vertical Response to Constant Contact.

FORBES: Success in the Cloud Begins with Integration

As Sift expands scale and deepens its market penetration, it could attract takeover offers from email marketers like Constant Contact, Vertical Response, and Vocus, all of which are looking for new ways to reach consumers.

FORBES: Startup Takes Effort Out Of Sifting Retail Deals In Your Email

Think about what this advancement has meant just in terms of access to the resources: When drilling into a hydrocarbon bearing formation 100 feet thick, vertical drilling would allow an operator to contact 100 feet of rock, which would limit your potential recovery to whatever oil or gas would flow into that length of pipe.

FORBES: Horizontal Drilling: A Technological Marvel Ignored