My idea was to track how much sunlight each model collected under the same conditions by watching how much voltage each model made.
我的思路是通过观察每一个模型产生的电压水平来跟踪在同等条件下各个模型所收集的太阳光量。
The research was done using data collected under a grant from the National Science Foundation.
该研究是经过美国国家科学基金会授权同意后收集数据完成的。
Researchers collected more than 480 reports from missionaries, plantation doctors, explorers and anthropologists. These included who was eating dirt and under what circumstances.
研究人员从传教士、农林医生、探险家、人类学家那里收集了480多份报告,其中包括何人因何原因而食土。
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