较迟缓 meaning in English

behind

The main aim was to provide newly developed districts with an alternative source of water supply . the construction of a seawater flushing sysytem on the island and in the new territories was much slower
至于港岛区的海水输水管道的铺设及改建，以至新界地区海水冲厕的开发，发展得较迟缓。
" this could explain his delayed natural growth , delayed onset of puberty and lack of libido , " reads the study , published in the latest issue of the canadian medical association journal
刊在最新一期加拿大医药学会期刊中的研究报告说：这可以解释丁丁为何发育较迟缓，好像仍然处在青春期，并且缺乏情欲。
Pharmacological study : after human taking gizzard - membrane , the secretory volume of gastric juice increases . the acidity and the digestive power are both enhanced . and the later enhancement appears a little slower and lasts longer
药理研究：人口服内金后，胃液分泌量增多，酸度消化力均见提高，其中消化力增加出现较迟缓，维持也持久，服内金后，胃动力明显增强，大大提高胃排空率。