低精度界面原型，也叫线框图，被有意设计成只包含黑白的图形与文字。

Low fidelity mockups, often called wireframes, are intentionally basic, often consisting of just black and white shapes and text.

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用libtiff进行图形编程，第1部分讨论了tiff的不足之处，并指导您使用libtiff库来处理黑白图像。

Part 1 discusses some pitfalls with tiff and guides you through use of the libtiff library for black-and-white images.

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“动物运动图形”被精美的黑白照片表现，近期被修复，第一次远道而来向公众展出。

The beautiful cyanotype proofs for "Animal Locomotion" have recently been restored and are being given their first public outing in this show.

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