The astronomers found an "X-ray mass" only a tenth of the mass found using the gravitational lens method.

天文学家发现“X射线估算的质量”仅有“引力透镜”方法估算的质量的十分之一。

youdao

Torsion resistance is another important parameter that reflects the quality of X-ray lens.

扭曲度的大小是反映透镜质量的重要参数。

youdao

The X-ray compound lens is a novel optical device that focuses X-ray radiation by refraction effect.

射线聚焦组合透镜是一种利用折射效应对X射线辐射聚焦的新型元件。

youdao

Brushing the surface of rocks with Curiosity's dust removal tool first enables the arm-held hand lens camera and X-ray spectrometer, in particular, to see features that might otherwise be obstructed.

BBC: Curiosity Mars rover deploys its rock brush

It is using its mast-mounted colour cameras and laser spectrometer, together with its arm-held "hand lens" camera and X-ray spectrometer, to try to find the best drill candidate.

BBC: Curiosity Mars rover deploys its rock brush