符号: character; sign; symbol; mar ...测定: determine; determination; se ...直接符号测定: direct sign determination符号测度: signed measure符号测验: sign test数字符号测验: digit-symbol test信号测量: signal measurement信号测量器: signal measuring apparatus信号测试: signal testing符号: 1.(记号; 标记) character; sign; symbol; mark; code; notation; expression; denotation; sentinel 注音符号 phonetic symbol; 标点符号 punctuation mark; 代数符号 algebraic symbol2.(表明职别、身分等的标志) insignia彩色信号测试: chroma signal measurement电子信号测量: electronic signal measurement混合信号测试: mixedsignal testt零信号测向法: zero signal direction finding method七号测地卫星: landsat 7声频信号测试: audio signal measurement时钟信号测试: clock test双信号测试法: two-signal test method芯线对号测试: buzzing test信号测试设备: signal-testing apparatus信号测试装置: signal testing apparatus音频信号测试: voice signal test典型试验;型号测试: type test机车信号测试盘: cab signal test panel机车信号测试区段: cab signaling testing section