Transportation source distribution is a key object and factor of urban transportation management and plan.

交通源分布是城市交通管理和规划的重点对象和考虑因素。

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Cold rolling technology is applied to ring parts extensively. In the process of numerical simulation and optimization of cold rolling, roundness is a key object variable of the design.

冷辗工艺广泛应用于环件的加工，在冷辗环数值模拟与优化过程中，圆度是重要的目标设计变量。

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is not a key of this particular object.

也不是什么事物的关键。

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It's crucial because for many people, the nature of that "veto" is a key factor in whether they embrace, go along with, or downright object to this policy.

BBC: Soft launch for the soft opt out

The Pro Version allows advanced 3D designers and professionals to quickly build or modify 3DVR applications by modifying key functions of Vimensio (object handling, interaction, and moving) via a Python-based script interface.

ENGADGET: Leonar3Do launches HelloVR, Vimensio platforms to bring 3D computing into the mainstream

Another technique, Stuber said, for a child inside the car, is to place an object in the ignition cylinder, where the key goes in.

CNN: Safety expert offers tips to avoid abduction