当标记的DNA从这个通道流过，它经过一个非常窄的会聚光束。
As the labeled DNA flows through the channel, it passes over a very narrowly focused beam of light.
本发明公开了一种组合式X射线会聚光学器件，用于实现会聚高能X射 线，并对低能X射线过滤。
The invention discloses a combined X-ray converging optical element used for converging high-energy X-ray and filtering low-energy X-ray.
因为当棱镜置于会聚光束中时，离轴漂移造成有像散的像，格兰型棱镜的成像质量比尼·科尔型略好。
Since off-axis wander results in images which have astigmatism when the prism is placed in a converging beam, Glan types have slightly better imaging qualities than Nicla types.
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