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1.Ingredients: pure olive essential oil, constant sunscreen factor, UV filtering agent, dahurian rhododendron, wild wormwood, natural moisturizing factor etc.
成份：清纯橄榄精油、长效防晒因子、紫外线过滤剂、满山红、野艾、天然保湿因子等。收藏指正
2.The DC drives provide the answer to the most essential needs of acceleration, deceleration, stopping, and constant velocity, with inherent shaft stiffness for successful operation of the CNC system.
直流电驱动应用自身固有的轴硬度成功地满足了操作CNC时，对最关键的加速度、减速、停止及常速度的需要。收藏指正
3.It is absolutely essential for a musician or a performer to be in constant touch with the music of today in order to understand also the newness of the music of the past.
对一位音乐家或演奏家来说，和时下的音乐保持接触，绝对是非常必要的，以了解过去的音乐有何新颍之处。收藏指正
4.But although constant change and improvement is needed in a competitive market economy, stability is also essential.
身处竞争激烈的市场经济体系之中，我们固然必须不断革新和谋求改善，但维持稳定同样十分重要。收藏指正
5.Abstract: The equilibrium constant of carbonization reaction of lime white was calculated using three thermodynamics methods.The results indicate that the carbonization reaction of lim white was the neutralization reaction between acid and alkali first,and it was the transform reaction of precipitation second .The essential cognition of the carbonization reaction of lime white was deepend.It was of guiding significance for industrial production of light(precipitation)calcium carbonate.
文摘:用3种热力学方法计算了石灰乳碳化反应的平衡常数，结果表明，石灰乳的碳化反应首先是酸碱的中和反应，其次才是沉淀的转化反应，从而加深了对石灰乳碳化反应本质的认识，对轻质(沉淀)碳酸钙的工业生产有指导意义.收藏指正
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