蔗糖可在发酵过程中被利用，包括晶体结构、天然糖浆、糖蜜（食糖加工的副产品）。
Sucrose is available for use in fermentation processes either in crystalline form or in crude form as raw juice or molasses (a by-product of sugar manufacture).
加工成型的石英晶体的频率可从几十千赫兹到数百兆赫兹。
Quartz crystals are manufactured for frequencies from a few tens of kilohertz to hundreds of megahertz.
用单刃金刚石车削试验研究超精密加工脆性晶体材料的机理。
This paper studies the ultra-precision machining mechanism of the brittle crystal materials by carrying out single diamond turning experiment.
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