实验中发现，经常使用的大孔径会聚光束的圆孔和圆屏衍射图样不同于一般的菲涅耳圆孔和圆屏衍射图样。
It is discorered that circular hole diffraction and circular disk diffraction pattern in large aperture convergent beam are different from those of general Fresnel diffraction.
用中子四圆衍射仪测量了部分氚化的硫酸三甘氨酸的晶体结构。
The crystal structure of the partly deuterized triglycine sulfate was studied by four-circle neutron diffractometer.
用强功率四圆单晶衍射仪精确地修正了氟碳铈矿和氟铈矿的晶体结构。
The crystal structures of bastnaesite-(Ce) and fluocerite-(Ce) was refined by high power four-circle X-ray diffractometer.
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