This way, I implicitly defined the outside of the cube as the front face and the inside as the back face.

通过这样的方式，也就隐式地将立方体的外部定义为正面，而将内部作为背面。

youdao

Accordingly, if you want to map the lower left corner (-1, -1) of the cube's front face to the texture's lower left corner, you must assign the texture coordinates (0, 1) to vertex 0.

相应地，如果您需要将立方体正面的左下角映射到纹理的左下角，必须将纹理坐标(0,1)指派给顶点0。

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Then the testing can be carried out on the front face of the LED unit board.

此时就可以在LED单元板正面对其进行测试。

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The doctor says you should point the device so the flow of air is just in front of your face.

VOA: special.2009.07.14

He was motionless, all but for one finger that moved up and down in front of his face as if he were marking time with it.

他一动也不动，除了一根手指在他的面前上下摆动,好像在用它标记时间。

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The keyboard takes up half of the front face of the device, but its functionality is really limited.

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On its front face, the 8X appears identical to the global version, bearing HTC's logo just beneath the earpiece.

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We do appreciate the relatively narrow bezel, though the backside and front face have a few too many glossy bits.

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