This paper introduce the properties of xylitol and sugar, the function and using examples of xylitol in sugar_free food, and food_grade xylitol quality standard.
本文介绍了木糖醇和蔗糖的物化性质、木糖醇作为食糖替代品的特殊性能以及制作各种食品的实例、食品级木糖醇的产品标准等。
The characteristics, pin function and using methods of it, and the example of its interface circuits and program with AT89C2051single chip are given in this paper.
文中给出了该器件的特点、 管脚说明和使用方法,并以AT89C2051单片机为例给出了相应的接口电路及相应程序。
According the basic properties of Fourier series of period function and using of the abstract nature of mathematics, the method directly derives other 3 kinds of Fourier transform.
这个方法是根据周期函数的傅里叶级数的性质和利用数学的抽象性质,直接推导出另外三种形式的傅里叶变换。
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