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单词
SI
释义
SI
Encyclopedia
医学
安全指数
释
safety index; SI
安全指数
以药物的5%致死量()与95%有效量()的比值来衡量药物安全性的指标,即。
理学
对称不稳定
释
symmetric instability; SI
对称不稳定
中尺度天气系统发生发展过程中的一种动力不稳定。是大气运动在垂直方向上是对流稳定的和水平方向上是惯性稳定的情况下,作倾斜上升运动时仍然可能发生的一种不稳定大气现象。
Physics
>力学和理论力学>基本概念>释义
international system of units, SI
国际单位制
>附录>释义
SI基本单位
>附录>释义
SI词头
>附录>释义
具有专门名称的SI导出单位
Astronomy
SI
全称:international system of units。国际单位制
Chemistry
>分析化学>标准物质>释义
international system of units (SI)
国际单位制
>化学生物学>化学生物技术>释义
secondary ion (SI)
二次离子
随便看
International Olive Oil Agreement
International Olympic Academy
International Olympic Committee
International Opium Commission in Shanghai
international order
International Organisation of Scenographers,Theatre Architects and Technicians
international organization
International organization for Biological Control
International Organization for Migration
International Organization for Plant-Soil Interactions at Low pH
International Organization for Standardization 37th Technical Committee
International Organization for Standardization/Graphic Technology Technical Committee
International Organization for Standardization-Intelligent Transport Systems Technical Committee
International Organization for Standardization Technical Committee 46-Information and Documentation
International Organization of Journalists
International Organization of Legal Metrology
International Organization of Scenographers Theatre Architects and Technicians China Center
international organizations for environmental protection
International Orienteering Federation
International Paralympic Committee
International Patent Classification
International Patent Documentation Centre
international permanent court of arbitration
International Phonetic Alphabet
International Pipeline Conference
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更新时间:2026/2/9 0:20:38