Outside the ranges of suitable temperature or salinity, the larval mortality increased significantly and the larval growth were inhibited.
温盐度超过适宜范围时，死亡率明显增大，生长受到抑制。
In tunnel, there had no sunshine, temperature' change was small, and the mobile air was little. So the environment was suitable for the growth of bacterium. It was bad for human's heath.
指出，隧道内无阳光照射，气温变化小，空气流动性差，阴暗潮湿的环境有利于微生物生长繁殖，并可能影响隧道内作业工人、列车司乘人员和旅客的身体健康。
In tunnel, there had no sunshine, temperature' change was small, and the mobile air was little. So the environment was suitable for the growth of bacterium. It was bad for human's heath.
指出，隧道内无阳光照射，气温变化小，空气流动性差，阴暗潮湿的环境有利于微生物生长繁殖，并可能影响隧道内作业工人、列车司乘人员和旅客的身体健康。
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