Controlling the demographic characteristics,family attributes,migration distance and other personal factors and barriers,we find that the economic purpose is the important driving force of migrant workers,the common poverty of rural home is the main push factor of migrant worker,and the direction of ...
taking the elderly group for the winter resort tourism consumption demand as the starting point to deeply explore the influencing factors of the driving force of the Chinese elderly group’s winter resort tourism consumption demand, constructing theoretical models and calculating each factor influencing ...
In dealing with the three problems concerning farmers, agriculture and rural areas,poverty is an essential problem.Limited resources held by a comparatively large amount of people of extremely low total productivity of factor(TPF) lead to poverty.This determines that farmer emigration is a crucial qu...
补充资料:变换器式功率因数表(见变换器式电表) 变换器式功率因数表(见变换器式电表) transducer type power factor meter b lanhuonq一sh一gongl口y一nshub(ao变换器式功率因数表(transdueer type powerfaetor meter)见变换器式电表。 说明:补充资料仅用于学习参考,请勿用于其它任何用途。
Pull factor: alternative attractiveness Pull factors refer to the ‘positive factors drawing prospective migrants to the destination’ (Moon, 1995) and ‘attributes of distant places that make them appealing’ (Dorigo & Waldo, 1983). The push-pull paradigm suggests that attractive factors at a ...
a统计XPON系统OLT设备的上行带宽利用率,及时 提出系统优化、系统资源 调整方案等方面的建 ; 并进行相关重要数据的备份工作 Counts XPON the system OLT equipment the upward band width use factor, proposes the system optimization, aspect and so on system resources adjustment plan promptly constructing; And ...