标尺竞争理论的观点是,在存在多家同类企业的自然垄断产业中,以“影子企业”(shadow firm)的经营成本为衡量标准,促使被规制企业为降低成本、增加利润同其“影子企业”进行竞争。
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"These lozenge-shaped panels present a spectacular play of light and shadow whenever there is sunshine," said the firm.
“这些菱形面板,每当有阳光时就呈现出壮观的光影表演,”公司说。
The folding surfaces of stone wall create vivid shadow and the obtuse angle stone makes the corner look more firm and powerful.
转角处钝角转折处理更增加了浑厚有力的建筑感。
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