差频: beat frequency; difference f ...测试: test; testing; checkout; mea ...计: count; compute; calculate; n ...测试计（高斯计）: milligauss meter测试计划: acceptance test plan; testing plan测试计划比: test plan测试计时器: test timer测试计算机: test computer超微测试计: ultramicrometer成测试计划: system integration test plan接地测试计: ground test meter流量测试计: flow tester气密测试计: gas tight lysimeter湿度测试计: humidity measuring apparatus; moisture tester袖珍测试计: pocket meter噪声测试计: noise meter主测试计划: master test plan高频测试: fmi frequency modulatim inspect高频测试架: high frequency terminal bay; high-frequency test bay拍频测试器: beat frequency meter; beat meter拍频测试仪: beat measuring apparatus扫频测试: sweep check扫频测试仪: sweep-frequency measuring setup; swefrequency measuring setup声频测试架: audion test bay视频测试: video measurement
