Segregation was a system that kept white and black people apart.

(种族)分隔主义是将白人和黑人区分开来的一种体制。

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Grey system theory whose research object is Grey system of which information is imperfect, contrasts with White system theory and Black system theory.

灰色系统是一个信息不完全明确的系统，以研究灰色系统为对象的灰色理论是与白色理论、黑色理论相对应的。

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There are two kinds of laser states in laser marking system, laser-open and laser-close that correspond to black and white in one image.

对于激光雕刻系统，其控制的激光状态只有两种，即出光与不出光，对应图像就是黑与白。

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There's not word on pricing for the Pro Controller or whether the system will be released in both black and white just yet, but we'll be sure to bring you more details from the show floor at E3 when we have them.

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Racism in this country is a political and economic system of privileges which favor white people over black people.

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This is how a CRM system succeeds: with a clear, black-and-white deliverable.

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