中文摘要中国的经济从以计划为导向，到以市场为导向的转变需要对税收体制进行一场全面彻底的革新。
The transition from a planned economy to a market-oriented one in China requires a nearly complete overhaul of the tax system.
文摘：锻件质量和锻造行业的技术经济效益很大程度上取决于预成形工步和预成形设计。
Abstract: Forging quality and technical economic benefit of plastic working industries strongly depend on preform sequence and preform design.
文摘：荒漠化是当今世界严重的环境与社会经济问题。
Abstract: Desertification is the serious environmental and social economy problems.
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