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单词
PN
释义
PN
Encyclopedia
医学
肠外营养
释
parenteral nutrition; PN
肠外营养
通过胃肠道以外途径(即静脉途径)提供营养支持(包括氨基酸、必需脂肪酸、维生素、电解质和微量元素等)的方式。
Astronomy
PN
全称:planetary nebula。行星状星云
随便看
compound eye
compound eyepiece
compound Fabry-Perot interferometer
compound fertilizer
compound field
compound field extension
compound field-flattener
compound figure
compound fire detector
compound force field flotation column
compound fore field hydrocyclone
compound form
compound forms
compound fraction
compound function
compound general anesthesia
compound-grating antenna
compound hydrocyclones
compound hypothesis
compound index
compound inflorescence
compound insurance
compound integration formula
compound interest
compound interest account
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更新时间:2026/11/8 20:51:21