Such a move is allowed under the 1973 convention, which has been signed by 175 countries and is often referred to by its acronym, Cites (pronounced SIGHT-ees).
这一举措在1973年的协议下是允许的，该协议有175个国家签署，按照他的首字母缩写被称为CITES。
Aim Method for the determination of erythromycin ethylsuccinate(EES) by ion suppression chromatography (ISC) was developed and the influenc factors on ISC were investigated.
目的建立离子抑制色谱法测定琥乙红霉素原料的含量及有关物质的方法，并研究其影响因素。
Aim Method for the determination of erythromycin ethylsuccinate(EES) by ion suppression chromatography (ISC) was developed and the influenc factors on ISC were investigated.
目的建立离子抑制色谱法测定琥乙红霉素原料的含量及有关物质的方法，并研究其影响因素。
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