The chief weapon in the arsenal of those fighting visual pollution here is a law that restricts the type, size, number and placemen of roadside advertising sign. 治理这里视觉污染的主要武器是通过一项法律，对路旁广告标志的种类、尺寸大小、数量及放置地点予以限制。
A printer's unit of type size, equal to 12 points or about 1/6 of an inch. 12点活字打印机铅字大小的单位，相当于12点或大约1／6英寸。
