field force line

常見(jiàn)例句

The invisible force field around the magnet becomes suddenly visible when the iron filings fall into line.
磁棒四周無(wú)形的力場(chǎng)在鉄屑排列成行時(shí)，一下子展現(xiàn)出了它的真麪目。
However, the speed of the rotor rotation speed did not change the high magnetic field, or magnetic line of force will not be able to cut the copper.
不過(guò)此轉(zhuǎn)子轉(zhuǎn)動(dòng)速度沒(méi)有磁場(chǎng)變換之速度高，否則磁力線將不能爲(wèi)銅棒所切割。
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Traveling-wave interaction and secondary magnetic field is generated electromagnetic force, which is a straight line to run the basic principles of electric motors.
行波磁場(chǎng)與次級(jí)相互作用便産生電磁推力，這就是直線電動(dòng)機(jī)運(yùn)行的基本原理。
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