Methods: The study combined field work and laboratory work.

方法：采取现场与实验室结合的方法。

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The present study combined the ISE method with classical PCR to increase the detecting efficiency.

本研究将免疫吸附富集（ISE）和经典PCR结合以提高检测效率。

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The new study combined computer modeling with measurements of the ice and the underlying bedrock, both direct and by satellite.

这项最新研究综合了电脑模型，以及冰块和冰下基岩的一些测绘数据，这些数据全部来源于地质测绘卫星。

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This new study combined a large number of previous studies and concluded that a lack of social interactions ranks right up with smoking,obesity, and alcoholism as a risk factor for death.

VOA: standard.2010.07.29

Last week, the Lancet published the combined results of a larger observational study, also led by Professor Rothwell.

VOA: special.2010.12.14

In this study, Hamer and his colleagues combined measurements of tobacco exposure with interviews focused on mental health issues.

VOA: standard.2010.06.15

In sum, the small numbers in this study combined with the kind of data collected (limited baseline data, no details of drink ingredient differences) and the narrow demographics do not support the contention that drinking diet soft drinks is going to put you at a risk for a heart attack.

FORBES: Will Drinking Diet Soda Increase Your Risk For A Heart Attack?

Back in 2001, a plan was in the works for a study comparing Erbitux combined with chemotherapy to chemo alone for front-line use.

FORBES: ImClone's Next Hurdles: Cost And Competition

They are also conducting a study comparing their medicine combined with chemotherapy versus a combination of Avastin, panitumumab and chemo.

FORBES