由于给定主曲率函数的嵌入旋转曲面存在性已得到较好证明，故使得曲面的设计成为可能。
Since the existence of embedded rotation surface with given principal curvature function is well proofed, the design and modeling of the surface becomes possible.
本文分四个阶段考述二路之钞法，并分析广西钞盐法多故的主、客观原因。
The story of salt law of these two districts is examined at four stages with analyses of the subjective and objective causes of its many problems occurred in Guangxi district.
可知在十九世纪英国一家巧克力厂的厂 主发现糖能把可可豆的苦味除掉。 故答案为 D。
1800s, the owner of a chocolate factory in England discovered that sugar removed the bitter taste of cocoa.
可知在十九世纪英国一家巧克力厂的厂 主发现糖能把可可豆的苦味除掉。 故答案为 D。
1800s, the owner of a chocolate factory in England discovered that sugar removed the bitter taste of cocoa.
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