But there is a crucial difference : alongside the coils are a second set of magnets of alternating polarity .
但是有一个重大的区别:沿线圈旁放置了另一块同线圈内那块磁极相反的磁铁。
Look behind the fridge to see if coils have become caked with dust , dirt or pet hair , which can interfere with performance .
看下冰箱的后面,看看线圈是否已经被灰尘、污垢或者宠物毛发结成了团,这些会干扰冰箱的工作效果。
Preliminary experiments in rats suggest that the bacteria can be steered toward tumours using specially designed magnetic coils .
对老鼠的初步实验显示,利用特别设计的线圈可以操纵细菌向肿瘤移动。
By controlling the voltages in the coils , you can position the electron beam at any point on the screen .
通过调整线圈电压,你可以控制电子束使它打在屏幕上的任何位置。
One set of coils creates a magnetic field that moves the electron beam vertically , while another set moves the beam horizontally .
一组线圈形成的磁场在垂直方向移动电子束,而另一组作用于水平方向。
That 's why , if you look inside any tv set , you will find that the tube is wrapped in coils of wires .
这就是为什么当看到电视内部时,你总会发现管子被线圈盘绕。
Dr smith 's design can compensate for changes in the angle or position of the coils , allowing a user to move around freely .
史密斯博士的设计能补偿线圈角度、位置变化带来的影响,使使用者能够自由的走动。
As the water inside the coils is superheated the steam is piped to a radial steam engine , which consists of six pistons .
当线圈中的水被煮开,蒸汽被输送到一个星型六缸蒸汽引擎里。
His lab , with its tesla coils , pipework and switches up the wazoo , became the prototype of all mad scientist labs to come .
他的实验室,装有磁暴线圈、管道系统和数不清的开关,成了以后所有疯子科学家实验室的原型。
All of this is possible because an mri machine contains both a large magnet that creates a strong magnetic field , and also a set of gradient coils that superimpose weaker but adjustable fields upon it .