1、偏束
...amiss有毛病的off beam偏束out of kilter不正常工作的...
2、错误
... searchlight 探照灯 off （the）beam 错误 on the beam 正确 ...
off-beam discrimination偏轴鉴别
be off the beam走歪门邪道;步入歧途
far off the beam离谱
off the beam脱离航向;大错特错;翻译
off beam antenna gain偏束天线增益
off-axis beam离轴束流
off axis gaussian beam离轴高斯光束
play-off beam回扫射束
cut-off beam截止电子注;截止电子束