Some experiments show that double projection normalization vectors are not only easy to be calculated, but also good for recognizing English characters with the same font but in different sizes.

聚类和识别实验表明双投影归一化向量不仅计算简单，而且对同种字体不同字号的英文字符识别可达到较好的结果。

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Objective To establish 3D coronary artery motion tracking by the images of double plane X-ray projection and 3D CT volume sequence.

目的利用双平面X射线投影图像序列和参考CT容积图像进行冠状动脉的三维运动跟踪建模。

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A projection-type holographic microscope with double projection-objectives and a holographic screen used for integrated circuits assembly and quality control is described.

本文提出了一种可用于集成电路装配和质量控制的、带有双投影物镜和全息光学元件散射全息屏幕的投影型全息显微镜（PHM）系统。

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The uncanny fusion of actual and virtual space utilizes dual stereoscopic projections, mirrors, a double-sided projection and game engine software customized by the artists.

ENGADGET: Museum of The Moving Image plans multi-million dollar updates with HD, 3D

These factors support our projection that aluminum demand will grow 12 percent this year and will double by 2020.

FORBES: Alcoa Doubles Net Income And Reaffirms Guidance Amid Nervous Markets