underdeveloped counties

基本解释

There exist with the town functional system in underdeveloped mountainous counties the problems of weak connection, single type, poor system levels and coordination, etc.
欠发达山区县域城镇职能体系存在关联性弱、类型单一、体系层次差、协调性差等问题。
Economics underdeveloped counties and districts showed higher infection rates of 45.8% and 48.7% respectively as compared with the rather developed counties (38.5%) and districts (28.6%).
经济状况较差的县和地区，其人群寄生虫感染率为高，分别为45．8％和48．7％，经济状况较好的县和地区感染率为低，分别为38．5％、28．6％。
Compulsory Education in Underdeveloped Regions (CEUR) is a principal project in China's education endeavor. It involves 98 townships in 10 underdeveloped counties of Dali Bai Autonomous Prefecture.
“贫困地区义务教育工程”是中国教育事业的一项重大工程，该项目在大理白族自治州共涉及十个贫困县的98个乡镇。

欠发达县域
Can the construction of county industrial parks function as an effective choice and essential method for the underdeveloped counties to advance the country industrialization construction?
建设县域工业园是否能作为欠发达县域推进农村工业化的有效选择与重要途径。