There are good or evil is that people who use these tools.

We can't rest in peace until this evil is eradicated.

祸根不除，大家不得安枕。

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The sense that there is a moral economy in the world, that good is rewarded and evil is punished ( bGeorge F. Will)

这种观点认为世上有一套道德体系，善有善报恶有恶报（b乔治f.威尔）

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( saying) sow the wind and, reap the whirlwind ( start sth that seems fairly harmless and have to suffer unforeseen consequences that are serious or disastrous)

谚）播种的是风，收割的是暴风；（原无大害的事）后果却不堪设想。

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Sow the wind and reap the whirlwind.

种风收获风暴；恶有恶报。

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The quasi-periodic fluctuation of large-scale circulation and grain yield in the lower Yangtze

长江下游谷物天气产量变化与大型环流准周期性振动的分析

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Distribution of lateral density anomalies in the lower mantle obtained through low order geopotential coefficients

利用低阶卫星重力位系数研究下地幔横向密度异常分布

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Free Musculocutaneous Flap for Large Soft-tissue Defects in the Lower Limbs

游离肌皮瓣修复下肢大面积软组织缺损

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Peripheral schwannomas are most often seen in the lower extremity.

外周神经鞘瘤最常见发生在下肢。

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Radiosonde Observation of Planetary Waves in the Lower Atmosphere Over the Center China

中国中部低层大气行星波无线电探空仪的观测研究

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Simulation of Wintertime Fluvial Processes in the Lower Yellow River

黄河下游冬季河床冲淤过程的模拟

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Direction and Strategic Change of Irrigation Development in the Lower Reaches by Drawing Water from the Yellow River

黄河下游引黄灌溉发展的战略转变及方向

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Laminar flow in the lower continental crust and its significance for continental dynamics

大陆下地壳层流作用及其大陆动力学意义

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Clear air aerosol microphysics features in the lower troposphere in Beijing

北京等地对流层低层晴天气溶胶微物理特征

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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

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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

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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

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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

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Sedimentary facies of Carboniferous System in the lower Yangtze Basin

下扬子盆地石炭系沉积相

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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。

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Evaluation on Dike Aging in the Lower Reaches of Yellow River

河道堤防工程老化评定初探

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