阳光的光线一直能透射到水下10英尺处。

The sun's rays can penetrate water up to 10 feet.

《柯林斯英汉双解大词典》

光学、扫描电子显微镜和透射电子显微镜观察揭示出各生理群的优势菌，并用能谱仪对颗粒污泥的元素组成进行了分析。

From observation of light microscope, SEM and TEM revealed the predominant bacteria of various groups, and element composition of granular sludge was analysed by EDXA.

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利用X射线衍射(XRD)、扫描电镜(sem)、透射电镜(tem)和X射线光电子能谱(XPS)对制备的产品进行了表征。

The prepared product was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscope (TEM) and X-ray photoelectron spectroscopy (XPS).

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