Objective To explore the methods for avoiding obvious fluctuation of blood pressure during the change of the injector when pumping the active drugs of blood vessels with a micro-infusion pump.
目的探讨当使用微量泵泵入血管活性药物时，避免因更换注射器而造成血压明显波动的微量泵使用方法。
It has very important practical meanings to research the tendency of small and medium-sized industry enterprises, so that we can research macro-economic fluctuation based on micro-economy.
研究中小工业企业的整体变化趋势是基于微观基础研究宏观经济变动的一个重要途径，对于了解经济整体运行情况无疑具有十分重要的现实意义。
Annual precipitation of Shanghai is oscillating mainly at micro-scale while fluctuation cycles are around 40 years.
上海的年降水量主要是以短时间尺度的振荡为主，其中以40 a左右的波动为主要周期。
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