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.
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。
So the use of military force will remain a matter largely for those willing and able to exert it.
所以武力解决对于那些有能力并愿意实施的国家来说仍然不愧为首选。
Their trick was to shorten the lengths of the pulses of current to about a nanosecond. Rapidly changing currents exert a greater force on domain walls than do slowly changing ones.
他们的秘诀就在于将一阵阵电流的长度缩短到纳秒，因为与缓慢转变电流相比，快速地改变电流在域壁上产生的力度要来得更大。
In the darkest reaches of the distant past, the Sith would strike in full force, seeking to exert their dark will upon a terrified public.
在遥远的过去的最黑暗区域，西斯全力出击，寻求将他们黑暗的意志施加给胆战心惊的公众。
A fishing tool that is used in cased holes to exert a very high tensile force on a fish.
对套管井中的落鱼施加一个非常大的张力时所用的打捞工具。
While exert a level force on the centerdeskof the edge, increase gradually to a specified value or onelegnear to the floor at least.
同时在该边中心桌上向外施加一个水平力。逐渐增加该力到规定值或者至少有一个桌脚离地为止。
If you did so, you may have observed that by trying to stop the wheel, you exert a force on it.
如果你这样做，你可能已经注意到，试图阻止车轮，你会对它的力量。
In fact, such bands force Adelie penguins to exert nearly a quarter more energy to swim.
事实上，环志迫使阿德利企鹅在游泳的过程中多使用将近四分之一的能量。
The utility model provides the slide facilitating shoe which not only USES a thigh part to exert force, but also can use an arm to exert force.
本实用新型是提供一种不但利用腿部加力，还可利用手臂加力的助滑鞋。
The utility model provides the slide facilitating shoe which not only USES a thigh part to exert force, but also can use an arm to exert force.
本实用新型是提供一种不但利用腿部加力，还可利用手臂加力的助滑鞋。
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