Paraffin is a known carcinogen, and hydrogen peroxide can harm the digestive system. Chopsticks irresponsibly disposed of can contaminate water and soil quality.

石蜡是一种已知的致癌物，而过氧化氢则对消化系统有害。随意丢弃木筷则可能污染水和土壤质量。

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The design principles, system structures, system functions, system characteristics and operation environments of Agricultural Soil Water Engineering Information system (ASWEIS) have been introduced.

介绍了农业水土工程学科信息管理系统(asweis)的设计原则及系统的结构、功能、特点和运行环境。

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Though water body initial acidity differed significantly, soil-water system acidity reached unanimity rapidly after flooding water.

尽管水体初始酸度差别很大，但土-水体系在淹水后酸度迅速趋于一致。

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The HighDro Power system works by harnessing the considerable energy from falling waste water in the soil pipes of high-rises, converting it to electricity.

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Many farmers using these seeds have even been able to implement a "no-till" system, which offers tremendous environmental benefits by preventing soil erosion, keeping farm water and chemical run-off out of local watersheds and releasing less carbon dioxide into the atmosphere.

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