持续性

He presented with persis tent fever,multiple erythema nodosum,joint pain,and bi lateral pneumopathy.

临床表现为持续性发热、全身关节疼痛、躯干和四肢出现红斑结节及双肺纵隔病变。

Due to the lagged manufacturing technology, lower efficiency and unbefitting consumption pattern, etc, there is a big challenge of energy-environmental sustainable development in the cities in China.

由于上游产品艺相对落后、加较低、下游消费格有待改善等原因，前中国城市发展中的能源环境的可持续性面临巨大挑战。