The non-harmonious control mechanism of surrounding rocks of roadways with weak structures was analyzed.
分析了围岩弱结构巷道的非均称控制机理;
2
Outside cause of Beijing sandstorm is global climatic change, inner cause is overweight of population pressure and non-harmonious population-land relations.
全球气候变化是北京沙尘暴出现的外部原因;人口压力过大,人地关系不协调则是北京沙尘暴形成的内部原因。
3
Out the window, a harmonious scene: the sun shines on the leaves, the flowers, the birds twitter singing non-stop, it seems that while we welcome the arrival of the festive season.