Form a green corridor connecting singapore changi international airport and the city centre . the seamless garden effect with a green network penetrates all roads in the city centre . photo above showing the wide planting zone with mature trees and the meticulously maintained bougainvillea - lined elevated walkway 這綠意盎然的無縫花園效應(yīng)滲透到市中心的各道路間(上圖顯示寬敞的種植點,有成熟大樹,也有悉心安排種在行人天橋上的?杜鵑) 。
The scale of cotton planting was enlarged greatly on the basis of development of ming dynasty and qing dynasty , in 1920s and 1930s . meanwhile , the trend of specialized planting began to emerge , which gradually shaped some cotton planting zones . the quality and quantity of cotton was greatly improved 在明清發(fā)展的基礎(chǔ)上,進入二十世紀(jì)二、三十年代后,種植規(guī)模迅速擴大,并出現(xiàn)了專業(yè)化生產(chǎn)的趨勢,一些棉花生產(chǎn)專業(yè)區(qū)逐漸形成,全省棉花在數(shù)量和質(zhì)量上都有一定提高。