collimated sound beam的意思|示意

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准直声束

准直声束 ... collimated external beam 准直外束 collimated sound beam 准直声束 well-collimated beam 高准直束 ...

准直超声束 ... collimated lihgt beam 准直光束, 平行光束 collimated output beam 平行输出光束 collimated sound beam 准直超声束; 准直声束 ...