《整体环境科学》的一篇论文显示，中国最大的淡水鱼可能已经在2005年至2010年间灭绝了。2019年9月，该论文的作者危起伟表示，一些专家认为这种一级保护鱼类已经灭绝。
A paper from Science of the Total Environment shows that the largest freshwater fish in China might have gone extinct between 2005 and 2010. Wei Qiwei, author of the paper, said in September, 2019, some experts supposed that the first-class protected fish had been extinct already.
当今时代，科学技术已经成为人类生存的整体环境背景。
Nowadays modern science and technology has become the whole environment background of mankind exist.
学校在内部设施上实现了较高标准的配备，目前校园内外环境清新优美，整体布局科学合理。
We have achieved the high quality equipment inside and now the outside and inside environment of the school are beautiful and clean, the whole layout is scientific and rational.
学校在内部设施上实现了较高标准的配备，目前校园内外环境清新优美，整体布局科学合理。
We have achieved the high quality equipment inside and now the outside and inside environment of the school are beautiful and clean, the whole layout is scientific and rational.
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