The use of frequency convert to regulate the speed of rotation according to the character of mine fan can reach the goal of the modulation of air flow and have a very good effect of saving energy.
根据矿井通风机的特性，使用变频器进行转速调整以达到调节风量的目的，且有很好的节能效果。
This paper aims to explore the stroke effect, word frequency effect and morpheme frequency effect in the recognition of Chinese one-character word by foreign students.
采用词汇判断任务考察了留学生汉语单字词识别中的笔画数效应、词频效应和词素频率效应。
The main character of the HVS is that, by means of fluctuating oil pressure, the pile-driving force can be changed in a higher frequency, and therefore better vibrating effect can be gained.
液压振动系统的主要特点是在桩机液压系统中的压桩油路产生流体压力变化和波动，从而使沉桩力出现高频的周期变化，产生振动压桩的效果。
Both the type frequency and the token frequency of phonetic component showed facilitating effect in character naming.
用识别整字和识别部件两种任务探讨两种声旁频率——组字频率和使用频率的作用。
Both the type frequency and the token frequency of phonetic component showed facilitating effect in character naming.
用识别整字和识别部件两种任务探讨两种声旁频率——组字频率和使用频率的作用。
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