The cloud amount is one of the most important factors in an astronomical site survey.

云量观测是天文选址的重要考察项目。

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Annual and seasonal sunshine hours decreased with the increasing of low level cloud amount, and the reduction of sunshine hours increased along with vapor pressure in winter.

年、季日照时数减少与低云量增加关系密切，而冬季日照时数的减少还与水汽压的增加有关。

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Similar to the method of Z index of precipitation, a trial research is made on monitoring drought by the amount of cloud, and the method of Z index of cloud amount is established.

类似于降水量Z指标法对旱情的监测，进行了云参数监测旱情的研究，建立了云量监测的Z指标法。

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While cloud services provide a limited amount of storage for free (typically 5 GB), they charge for additional storage.

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Soppier also believes that the adoption of virtualization and cloud computing will reduce the amount of IT infrastructure and services that customers need over the long term.

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As tech companies like Apple, Amazon and Google expand the offerings of their cloud computing services, the amount of power going into data centers continues to grow.

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