基于大陆根柱构造概念，讨论了新生代以来中国大陆岩石圈尺度的大地构造分区。
Based on the concept of continental roots plume tectonics, geotectonic units of China continent on a lithospheric scale since Cenozoic are discussed in this paper.
飞机发生电气故障后，临时在洛根着陆。
The aircraft made an unscheduled landing at Logan after developing an electrical fault.
测量员从海岸向内陆行进数千英里，每增加几英尺就停下来测量海拔，每增加一英尺就用两根杆子做标记。
Surveyors marched inland from the coast for thousands of miles, stopping at increments of as little as a few feet to measure their elevation, and marking each increment with two poles.
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