And if you tihk about it ,the same is true of the explanation of the vacuum.
如果你仔细想一下，这和真空问题其实是一样的道理。
The electromagnetic machine remained in use until 1959, by which time it was left in the dust by true electronic computers using first vacuum tubes, then transistors, then chips.
这台电磁式机器一直使用到1959年，然后就被遗弃在灰尘中，因为到了那个时期，首先使用电子管、接着晶体管、然后集成电路芯片的真正电子计算机先后问世。
Such an explanation, were it true, might also provide hope that lifters and ACTs could provide a propulsive force in a vacuum.
如果这些解释是真的，那么飘升机和非对称电容推进器将也有希望在真空中产生推进作用。
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