我国东北森林覆盖区地表植被发育，低阻盖层较厚，岩石露头少，常规直流电法低阻屏闭影响严重。
The Northeast of our country, being a forest-covered areas, where vegetation grows fully and covers heavily, low-resistivity overburden in this areas is thick and rock outcropping is sparse.
4天过去了，发生在中国东北地区的森林大火依然在咆哮，没有就此罢手的迹象。
4 days on, the raging forest fire in Northeastern China shows no sign of letting up.
在有力的保护措施下，包括保护俄罗斯远东地区的3个森林，东北虎的数量已经恢复到将近400只了。
With strong conservation efforts, including protecting three forested regions in the Russian far east, the population has since rebounded to nearly 400.
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