| 单词 | field observations |
| 释义 | field observations This correlates with field observations: in some areas, tan oaks have shown nearly 100 percent mortality, according to the researchers. The Scientist Countless birdwatchers have published their field observations in its pages - but always subject to the most careful editorial scrutiny of their accuracy and scientific soundness. Times, Sunday Times They represent an invaluable set of historical field observations. Retrieved from Wikipedia CC BY-SA 3.0 Although field observations trickled in from early explorers, modern studies of lemur ecology and behavior did not begin in earnest until the 1950s and 1960s. Retrieved from Wikipedia CC BY-SA 3.0 The project makes extensive use of satellite imagery, combined with field observations to map changes to forest coverage. Retrieved from Wikipedia CC BY-SA 3.0 |
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