This is the basic principle behind electromagnetic propulsion.
这是电磁推进力的基本原理。
It is now known that since its inception, its primary purpose was research into electromagnetic propulsion.
现在已经知道，自成立以来，其主要目的是研究电磁推进。
The electric field, magnetic field and electromagnetic force have better penetrated ability but less near-wall strength whiles the propulsion units of wider magnetic poles.
电磁条带较宽的推进单元体所激发的电场，磁场和电磁力都具有更好的渗透效果，但相应同深度场强值较小。
Study of electromagnetic compatibility for marine integrated electric propulsion system;
本文列出了某船电力推进系统的几个投标方案。
Study of electromagnetic compatibility for marine integrated electric propulsion system;
本文列出了某船电力推进系统的几个投标方案。
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