- electro-optical chronography
- 定时: timing; at regular time; fix ...
- 法: law
- 电子光学: electric optics; electro optics; electron optics; electron wave optics; electron-optics; electronic optics; electrooptics; optics electron
- 电子光学的: electron optical; electrooptical
- 电子光学轴: electron optical axis
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