这些因素都是通过影响地温场的变化而对多年冻土施加作用效果。
The factors above always give effect to the permafrost by changing the ground temperature field.
由于碳纳米管呈规律状排列，他们能够从不同的方向对材料施加作用力。
Because of the regular alignment of the nanotubes, they were able to stress the material from various directions.
这些线圈通常用于选择建立三维图像的切片，但是它们所建立的磁场也能被用来在扫描仪内部的小磁性物体上施加作用。
These coils are normally used to select slices for creating three-dimensional images, but the magnetic fields they create can also be used to exert a force on a small magnetic object inside a scanner.
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