Have market research enunciation: the our 60% above private and upscale car car owner did the habit that the exterior protects for car currently.
有市场调查表明：目前我国60%以上的私人高档汽车车主有给汽车做外部养护的习惯。
Research result enunciation: the mathematics' model is simple but valid, have the practical value in water physical endowment measure evaluation.
研究结果表明：该数学模型简便而有效，在水体质量评价中具有实用价值。
This text clarify the background of topic research first and research meaning, enunciation analysis the town way of thinking for residents to consume need structure.
本文首先阐明课题研究的背景以及研究意义，表明分析城镇居民消费需求结构时的思路。
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