1550s, "one who shifts" in any way; agent noun from shift (v.). As a mechanical contrivance, from 1869; specifically of the gear-changing mechanism in a motor-vehicle, from 1910.
权威例句
1. The presence of the shifter increases the light yield of the liquid scintillator to 0.61.
波长变换剂的存在使液体闪耀体的光电产额提高到0.61.
2. The role of phase shifter is signal phase shift from another perspective.
移相器的作用是将信号的相位移动一个角度.
3. These may be realized by power divider and phase shifter.
这主要靠馈电网络中的功分器和移相器来实现.
4. Partial decoding mode barrel shifter is adopted much more for its mer - its.
采用部分译码方式的桶式移位器,以其诸多优点,在芯片中得到广泛应用.
5. Represents a general phase shifter. 3 - wire or 3 - phase can be specified.