1. saccade timing is separated from saccade target selection. 眼跳计划和目标选择的分离；
2. For negative sentence, total fixation time and saccade amplitude are shortest. 否定句注视时间最长，眼跳广度最小。
3. In Chinese reading, the parameters of eye movement include viewing position, saccade, regression, fixation duration, etc. 中文阅读眼动特征的评估参数主要包括注视点停留位置、眼跳、回视和注视时间等。
英英解释
n.
1. a rapid, jerky movement of the eyes between positions of rest
2. an abrupt spasmodic movement
