The pollution state of NP and OP in this area was serious relatively, compared with Peal River delta; and medium or lower level compared with the similar areas abroad.
与珠江三角洲相比，该地区NP和OP污染情况较为严重，与国外其他类似区域相比则处于中等或较低水平。
Conclusion ECG and hearing in workers could be affected with long-term exposure to medium low intensity noise, even if the exposure average level was lower than the limited level of hygienic standard.
结论作业人员长期在平均噪声强度低于卫生标准下工作，仍可有一定程度的心电图改变和听力损失。
Commonly speaking, security services on the higher layer protect applications, security services on the lower level layer protect communication medium.
一般来讲，高层的安全服务用来保护某个应用，低层的安全服务用来保护某个传输媒介。
The level of WWOX protein in poor differentiation squamous carcinoma was lower than that in medium or well differentiated squamous carcinoma respectively.
低分化癌组织较高分化、中分化组织中wwox的表达量低。
Pass a research, this text thinks the specific weight that good company have in listed company in Hunan lower, the whole quality is placed in medium etc. level.
通过研究，本文认为湖南上市公司中优良公司所占比重较低，整体质量处于中等水平。
Pass a research, this text thinks the specific weight that good company have in listed company in Hunan lower, the whole quality is placed in medium etc. level.
通过研究，本文认为湖南上市公司中优良公司所占比重较低，整体质量处于中等水平。
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