MD自聚焦算法
Mapdrift autofocus algorithm
PPM聚焦
Periodic permanent focusing
Wiggler聚焦
Wiggler focusing style
Wiggler focusing structure
X光激光线聚焦等离子体
focus-line plasma of X-Ray laser
凹球面自聚焦
concave sphere self focusing
摆线聚焦质谱仪
trochoidal focusing mass spectrometer
背面反射聚焦照像机
back-reflection focusing came