This weather balloon will mostly measure temperature, air pressure, and wind speed, but others sample the air for the concentration of various gases like carbon dioxide and oxygen.

气象气球主要是用来测定温度，气压和风速的，另外它还能够测出空气中很多种气体的含量，例如二氧化碳和氧气等。

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The plan was to sample nitryl chloride levels in Marine air, which computer models predicted would not exceed 50 parts per trillion.

他们计划对途经海洋的空气进行抽样调查，计算机模型预测这些海洋空气中硝基氯含量不会超过万亿分之五十。

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A device used to sample air in order to measure wind speed or airspeed and atmospheric pressure.

取样空气的一种仪器，它便于测量风速或是流速和大气气压。

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When operating properly, the monitors constantly sample the air and send data to EPA headquarters, where computers monitor the data and alert officials to unusual readings.

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The school is in the process of patenting a process in which dogs would sample the air left in the wake of travelers passing through an airport terminal.

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The team will sample soil, water and air.

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