The nanoprobe excites the sample with a strongly focused X-ray beam and collects the characteristic fluorescence signal that is re-emitted.

纳米探针通过聚焦强X射线激发样品，然后收集发射出的特征荧光。

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A big problem was that both TCL and Thomson focused on clunky old models made using cathode-ray tubes.

一个大的问题是TCL和汤姆逊二者都是擅长制造使用CRT(阴极射线管)的笨重的老机型。

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He focused the sun's ray on a piece of paper with a burning-glass.

他用一面凸透镜把阳光在纸上聚成焦点。

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The company deals in new and used recreational boats and related marine accessories, and remains focused on premium brands such as Sea Ray, Boston Whaler, Meridian, Cabo, Hatteras, Azimut Yachts, Grady-White, Bayliner, Harris FloteBote, Zeelander, Nautique and Malibu.

FORBES: Marinemax Still Riding Wave Of Growth

Those studies have until now focused on a fairly low-energy X-ray range.

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