英语词汇“approach signal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	approach signal
释义	approach signal approach signal [ə′prōch ‚sig·nəl] (civil engineering) A railway signal warning an engineer of a signal ahead that displays a restrictive indication.
随便看	focal nephritis focal neurological deficit focal neuropathy focal nodular hyperplasia focal nodular liver hyperplasia focal non-epidermolytic palmoplantar keratoderma focal oral epithelial hyperplasia focal osseous dysplasia focal osteoporotic bone marrow defect focal pancreatitis focal plane focal plane array focal-plane array focal plane assembly focal plane assembly shroud focal plane detector focal plane electronics focal plane instrument focal plane package focal planes focal plane science instrument focal plane shutter focal-plane shutter focal plane structure focal plane structure simulator

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。