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zhl3868

金虫 (小有名气)

[求助] 大家帮忙看看,这段话语法上有错误吗,怎么改更好!谢谢了!

大家帮忙看看,这段话语法上有错误吗,怎么改更好!谢谢了!

Owing to their lipophilic properties, the investigations of concentrations and spatial distributions of 16 EPA-PAHs in sediment and soil have been conducted extensively . However, the pollution of PAHs in sediment and soil is a longtime accumulation, and the process is complex, which could reflect the environment pollution degree of a long period of time, but can not reflect the current pollution and sources. Moreover, the soluble PAHs in surface water have direct toxicity to organism.
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liufuliang

新虫 (知名作家)

【答案】应助回帖

★ ★ ★ ★ ★ ★
zhl3868: 金币+6, 翻译EPI+1, ★★★很有帮助, 非常感谢! 2012-03-16 08:49:43
Based on their lipophilic properties,  concentrations and spatial distributions of 16 EPA-PAHs in sediment and soil have been extensivey investigated. However, the pollution of PAHs in sediment and soil is a long-term complex accumulation process which could not reflect the current pollution and sources, but the environment pollution degree in a long period. Moreover, the soluble PAHs in surface water have direct toxicity to organisms.
慢慢来!
2楼2012-03-16 08:30:52
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liufuliang

新虫 (知名作家)

【答案】应助回帖

Based on their lipophilic properties,  concentrations and spatial distributions of 16 EPA-PAHs in sediment and soil have been extensivey investigated. However, as a long-term complex accumulation process, the pollution of PAHs in sediment and soil could not reflect the current pollution and sources, but the environment pollution degree in a long period. Moreover, the soluble PAHs in surface water have direct toxicity to organisms.
慢慢来!
3楼2012-03-16 08:32:55
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zhl3868

金虫 (小有名气)

According to the temperature and precipitation in the study area, dry period(枯水期), flood period(丰水期) and level period (平水期)are from February to May, June to September, and Octomber to January, respectively.
这句话的表述对吗,感觉缺少点什么,但又不知道怎么改?
4楼2012-03-16 09:20:56
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