This paper discusses the differences between black-white sketches and design ones in the following aspects as observation and composition, methods and steps, form of expression, and means and space.

本文通过素描的观察方法与构图安排、方法步骤、表现形式、手段和空间观念等五个方面阐述了明暗素描与设计素描的差异性。

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In other ways of the she-goat reproductive characteristics, there are also much differences between Beichuan white goat and Chengdu grey goat or Jianchang black goat.

对北川白山羊母羊的繁殖特性的研究表明，在年产胎数和多胞胎两方面，与成都麻羊存在极为显著的差异。

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The initial findings from Dayton and Washington indicate that school choice will sharply reduce, if not eliminate, differences in educational performance between black and white students.

FORBES: FREEDOM WORKS