This approach leads to large, heavy and complex optical assemblies and a higher manufacturing cost for specialized optics.

这种方法导致了光学组件变得更大、更重而且趋于复杂化，光学制造成本较高。

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The vehicles used radar and optical sensors to compute their proximity to each other and guide their final approach and contact.

航天飞行器试用雷达和光学传感器来计算彼此距离来完成最后的接触和对接。

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In Weitz's approach, droplets are injected with short strands of DNA of a known sequence, and these strands are labeled with an optical bar code.

韦茨的做法是注射已知序列的DNA短链到水滴中，这些链是用光学条码标签的。

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If it were possible to move the components around using optical tweezers, and put them directly on to a base, that would open up a completely different approach to the problem and might, ultimately, result in a new manufacturing technology.

ECONOMIST: Male and female sperm can be sorted using lasers