The expression and description of space surface is demonstrated. Invariant moments are used to describe the surface.

讨论空间曲面的表达和描述方法，给出了利用不变矩描述空间曲面的方法。

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The expression and description methods of space curve are demonstrated. The methods of using moment, Fourier to describe the space curve is proposed.

讨论空间曲线的表达和描述方法，提出用矩和傅里叶描述符描述空间曲线的方法。

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The image of the other in Philippine Overseas Chinese literature is one kind of expression and description of living experience, for those Chinese who lived in Philippine.

菲律宾华文文学中的异族想象，是那些生活在菲律宾的华人，对于自身异地生存经验的一种表述与描绘。

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According to the description of the UN Special Rapporteur on the protection and promotion of the right to freedom of expression and opinion, journalists are individuals who observe and describe events, document and analyse events, statements, policies, and any propositions that can affect society, with the purpose of systemizing such information and gathering of facts and analyses to inform sector of society or society as a whole.

UNESCO: World Press Freedom Day 2013