能窗是由若干个最佳小能区组成。
Several such good regions were selected to form the energy window.
能窗的选择对正电子寿命谱仪的分辨率有决定性的影响。
The resolution of a positron lifetime spectrometer is mainly dependent on selection of the energy window.
而散射光子会使探测事件的位置严重失真，我们可以通过能窗设置排除散射光子和噪声信号。
Scatter photon can make distortion of the position of detected events. Scatter photon and yawp can be removed by energy window.
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