Method: Suspension and carrier test were carried on.

方法：采用悬液试验和载体试验。

youdao

Method Carrier quantitative test method was use to carry out experimental observation.

方法采用载体定量试验方法进行了试验观察。

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Method Carrier quantitative germicidal test was used to carry out laboratory observation.

方法采用载体定量杀菌试验方法在实验室进行了观察。

youdao

As the first national wireless carrier to test, launch and market 4G technology, Sprint made history by launching 4G in Baltimore in September 2008.

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The German airline, Lufthansa, received its award for being the first carrier to test biofuel in normal flight operations and greening everything from its engine-cleaning routine to cabin equipment, resulting in a full 23 percent emissions reduction.

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Carrier now is installing 20 test units for a European hotel chain.

FORBES: Companies & Strategies