Laboratory experiments are used to study some types of economic decisions.

实验室实验用来研究某些经济决策。

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Laboratory incubation, pot and field experiments were adopted to study the nitrogen mineralization and response of crops in purple soils amended With organic or chemical fertilizers.

采用培养法和田、盆试验法对不同肥料处理的紫色土氮素矿化作用与作物吸氮效应进行了研究。

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This article takes turfy soil in the eastern part of Jilin as the study subject, analyzing the geologic features of turfy soil on the basis of laboratory experiments.

以吉林东部草炭土为研究对象，在室内试验的基础上分析总结了草炭土的特殊工程地质性质。

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The Center for the Study of Carbon Dioxide and Global Change, which maintains a database on field and laboratory experiments measuring plant growth responses to CO2-enriched environments has reported 45 studies that have examined effects on the garden tomato (lycopersicon eculentum).

FORBES: Got Problems? Blame Global Warming

The new findings come from four experiments that study streams of neutrinos sent from CERN in Geneva to the INFN Gran Sasso National Laboratory in Italy.

MSN: Those faster-than-light neutrinos ... aren't - Technology & science - Science - LiveScience | NBC News