The operating range for extended target is calculated by considering of the target finding ability of eyes, contrast of target luminance, discrimination level and detection probability.

并综合考虑人眼的目标发现能力、目标的亮度对比度、观察等级和探测概率的要求，计算出面源目标的作用距离。

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We will then have an objective measure of how colour discrimination and visual acuity develop at the level of the brain.

我们随后将进行一项客观的测量，看色彩辨别力和视觉敏锐度如何在大脑的层面形成。

《柯林斯英汉双解大词典》

Despite nearly a decade of positive discrimination since apartheid was dismantled, few black sportsmen have reached the top level.

尽管种族隔离被取消后采取了近十年的平权举措，几乎没有黑人运动员达到过顶极。

《柯林斯英汉双解大词典》

But a piece of research just published in the Proceedings of the National Academy of Sciences by Paola Sapienza of Northwestern University, near Chicago, suggests an alternative that it is not a person's sex, per se, that is the basis for discrimination, but the level of his or her testosterone.

ECONOMIST: Women, testosterone and finance

The International Black Awareness Day will be celebrated on 20 November in the light of this telling reflection, as a national level achievement against racial discrimination by the Unified Black Movement.

UNESCO: Culture of Peace Committee discusses ��the danger of a single story�� | United Nations Educational, Scientific and Cultural Organization

The administration wants the court to apply a level of scrutiny it applies to discrimination against other disadvantaged groups and that makes it harder for governments to justify those laws.

NPR: High Court Skeptical Of Federal Marriage Law