How the typical vegetation coverage changed with time in the mountainous area of Beijing in 1999 is studied after processing the photos taken in field.
通过摄影与数字图像处理相结合的方法分析了1999年北京山区典型植被覆盖度的季节动态变化规律。
In the rugged mountainous area west of Beijing he put together a medical field service.
在崎岖的北京西部山区，他成立了一个医疗服务现场。
The value of forest resources in mountainous area of Beijing is affiliated and dynamic.
北京山区森林资源的价值具有附属和动态变化特性。
One is located in Beijing, capital of China, the other is a remote mountainous area.
一个，坐落在中国的首都北京；另一个，是边远的山区。
The chestnut trees in Beijing are planted in mountainous area and hilly land mainly of granite and gneiss.
北京地区的板栗基本上种植在以花岗岩、片麻岩为土壤母质的低山丘陵地带。
The chestnut trees in Beijing are planted in mountainous area and hilly land mainly of granite and gneiss.
北京地区的板栗基本上种植在以花岗岩、片麻岩为土壤母质的低山丘陵地带。
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