I do sweeps, while many others do single frequency.
我不扫，但有些则不然单一频率。
This has proved to be an extremely effective way to achieve robust single frequency operation.
单向环形激光器被证实是获得稳定单频运转最有效的方法。
The swing is a pendulum with a single natural frequency depending on its length.
秋千是只有一个固有频率的摆，此频率决定于它的长度。
Each channel remains at an assigned frequency within a single band.
每个信道在单一的频段内保持分配的频率。
Has a microphone with a single directivity and a wide frequency range.
频率范围宽的单指向性话筒，高质量的拾音效能。
Has a microphone with a single directivity and a wide frequency range.
频率范围宽的单指向性话筒，高质量的拾音效能。
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