Adopting geodesics as dividing lines, space surfaces were developed by minimal extremum method.

采用测地线划分曲面，应用最小极值法进行曲面的展开。

The dividing lines between historic periods and geographic places are permeable: the Middle Ages flows into the Renaissance;

历史时期和地理位置的分界线相互交织：从中世纪过渡到文艺复兴时期；

That has enabled Mr Brown to erect one of his beloved "dividing lines" (sometimes the line seems to matter more than the positions it divides).

这就使得布朗能够建立起他钟爱的“分割线”(有时这条线看起来甚至比它确定的内容更加重要)。

The dividing lines of various schools of jurisprudence in history at a considerable extent manifested in different attitudes adopted towards sources of law and forms of law.

历来法学流派的分野，在很大程度上正表现在对法的渊源和法的形式取不同态度方面。

In the recent years, the flavored water combined with new flavors and functional factors in the bottled water makes the bottled water dividing lines gradually blurred with juice.

近来已在瓶装水中组合新的风味和功能性因子制成的风味水，使瓶装水与果汁、等渗饮料的界线逐渐模糊。