例句與造句

1. Laser range or other light signal frequency range finders operate just like radar at much higher frequencies.
2. Depending upon the accuracy required, they can be used with signal frequencies ranging from DC to a few kilohertz.
3. The signal frequency range used by wireless speakers is generally the same as that used by cordless telephones  900 MHz.
4. Since individual harmonic amplitudes are measured, it is required that the manufacturer disclose the test signal frequency range, level and gain conditions, and number of measurements taken.
5. It's difficult to find signal frequency range in a sentence. 用signal frequency range造句挺難的