From three aspects analysis of employment, rights and adscription security, new generation of landless migrant workers even deep in marginal state.
从就业保障、权益保障与归属保障三方面剖析，可发现新生代无地农民工被置于边缘化的状态之中。
2
The starting of tip-burn mainly on leaf's marginal and stem. Spot and rot are it's main symptoms, only 50% material show water strain. There is deep relation between symptoms and varieties.