Moreover, it is difficult to implement a description of the wave front and the transformation of three-dimensional system of coordinates.

其次有关波前面的描述和三维坐标系之间的变换也是个难点。

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Its basic strategic is divided into national strategies, international strategies and inter-party strategy, and is a complete three-dimensional system.

其基本战略分为国内战略、国际战略和党际战略，是一个完整的三维体系。

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People in daily life, due to incorrect habits, or weight-bearing long-term desk and will break the balance of the three-dimensional system of forces, resulting in spinal deformation.

人们在日常生活中，由于不正确的生活习惯，或者长期伏案工作及负重，都会打破这个平衡的三维力系，从而导致脊柱变形。

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The vehicle has a built-in safety system that uses lasers and three-dimensional models of its surroundings to navigate obstacle-strewn warehouses.

FORBES

Webzen is especially proud of its system for producing three-dimensional graphics.

ECONOMIST: Computer games

Kay wants to take computing forward with his next great invention, an operating system that puts the user in a three-dimensional graphic world with scores of other users, all computing collaboratively and communicating through audio and visual messaging.

FORBES: Croquet, Everyone?