Clear air aerosol microphysics features in the lower troposphere in Beijing

Vegetation Changes in the Lower Reaches of the Heihe River after its Water Import

黑河下游分水后的植被变化初步研究

Experimental Study on Mechanism of Deposition Reduction by Dredging in the Lower Reach of Yellow River

黄河下游弯曲型河道挖河减淤机理的试验研究

Hazard Reduction Measures for Hyper-concentrated Flood in the Lower Yellow River

黄河下游高含沙洪水减灾措施分析

Analysis of flood characteristics during the first experiment for water and sediment regulation in the lower Yellow river

黄河首次调水调沙期间下游洪水特性分析

Sedimentary facies of Carboniferous System in the lower Yangtze Basin

下扬子盆地石炭系沉积相

Impacts of the dam system construction on water resources in the lower Yellow River are studied.

同时，深入分析了黄河河龙区间坝系建设对黄河下游水资源开发利用的影响。

Evaluation on Dike Aging in the Lower Reaches of Yellow River

河道堤防工程老化评定初探

Study on frame structure with RC earthquake resistant wall in the lower stories

底部加RC抗震墙框架结构体系探讨

Tendency of sedimentation in the Lower Yellow River influenced by human activities

人类活动影响下的黄河下游河道泥沙淤积宏观趋势研究

The Analysis of the Wind Field in the Lower Layer in Summer in Yunnan

云南夏半年低层风场分析

Research on AIS System Network in the Lower Reaches of Changjiang River

长江下游AIS岸台系统的组网研究

Experimental study on dredging efficiency in the Lower Yellow River

黄河下游挖河减淤效果影响因素的试验研究

Nowadays, plebs is one associated with those in the lower class.

如今，plebs多指处于社会底层的人，即我们所说的“diao丝”。

This can cause pain in the lower back.

这会导致下背部疼痛。

A fire broke out in the lower story during the midnight and soon the whole building was in flames.

午夜时分楼下着了火，不一会儿整栋大楼都烧起来了。

Already the awards are causing resentment in the lower ranks of council officers

奖项已使政务委员会的低层官员们愤愤不平。

Many clubs in the lower reaches of the league are in financial difficulty.

联盟下层的许多俱乐部都处于财政困难之中。

Knowledge is infinite and wisdom has no boundary.

学识没有顶峰，智慧没有边界。

Therefore, our perspective future, knowledge is infinite, achievement foresight.

于是，我们前瞻未来，学无止境，成就远见。

Life is finite, but knowledge is infinite.

生也有涯，而知也无涯。