get off the mark  起跑

Areas off the Changjiang (Yangtze) Estuary  长江口外海区

Areas off the Changjiang Yangtze Estuary  长江口外海区

beam off the beam  脱离航向

beat off the dogs  赶跑狗只

Being far off the warning device  远离报警器

bounce off the engine  摇车启动发动机

break-off the arc  收焊

broad off the bow  左右舷角45度; 左右舷角45°

call off the dogs  停止追逐

came off the track  脱轨

casting off the ground  铸件不落地

commercial off the-shelf  商用货架

commercial off the-shelf (COTS)  商业化构件

commercial off-the-shelf  商用现货

commercial off-the-shelf component  商业组件

commercial off-the-shelf COTS  商用现货构件

commercial off-the-shelf(COTS)  商用成熟技术(COTS)

commercial-off-the-shelf (COTS)  商用器件