“permissive stop”的概念、定义、翻译、参考文献-科学参考

单词	permissive stop
释义	permissive stop [pǝr`mis·iv `stäp] ^{CIVIL ENGINEERING} A railway signal indicating the train must stop but can proceed slowly and cautiously after a specified interval, usually 1 minute.
随便看	aniline process anilol anima forward current forward difference forward difference operator forward direction forward drop forward error analysis forward error correction forward extrusion forward-looking infrared imager forward of the beam forward pass forward path forward perpendicular forward propagation by ionospheric scatter forward propagation by tropospheric scatter forward quarter forward recovery time forward reference forward resistance forward scatter forward scattering forward-scatter propagation

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