| 释义 |
speed 速率[度] 1. In photography, the light sensitivity of film emulsion. 在摄影技术中,胶片感光乳剂的光敏度。 2.In recording, the rate of movement of the recording material past the reading or writing head. The frequency response of recording devices is a function of the relative speed of the recording medium past the head. 在记录技术中,记录材料通过读写头的运动速度。记录设备的频率响应是上述记录媒质经过磁头的相对运动速度的函数。 |