A $5.4 million grant that paid for extra street cleaning and garbage pickup is about to run out, reviving a call to bring a business improvement district to the neighborhood .
一项用于特殊街道清洁及垃圾收集的540万美元的资金即将用光，并重新引发了将该地区转为商业改善区（BID）的呼吁。
This article describes the dirt pickup mechanism, the affecting factors, and improvement measures of exterior latex paints for architectural applications, and discusses the laboratory test techniques.
该文论述了建筑外墙乳胶漆沾污的机理、耐沾污性影响因素、提高耐沾污性措施及测试方法，并对我国耐沾污性测试方法提出一些建议。
This article describes the dirt pickup mechanism, the affecting factors, and improvement measures of exterior latex paints for architectural applications, and discusses the laboratory test techniques.
该文论述了建筑外墙乳胶漆沾污的机理、耐沾污性影响因素、提高耐沾污性措施及测试方法，并对我国耐沾污性测试方法提出一些建议。
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