the health of river的意思|示意

The paper analyzing the cause of "shortage of migrant workers" in the Pearl River Delta, points out the necessity of adopting a vocational health and safety mechanism.

本文从珠三角地区“民工短缺”的主要成因入手，分析了我国实施职业健康安全体系的紧迫性和必要性。

The concept and evaluation method of river ecosystem health were discussed.

探讨了河流生态系统健康的概念和评价方法。

Based on the benthic index of the biological integrity (B-IBI), the the Xiangxi River system health was evaluated.

构建香溪河大型底栖动物完整性因子（B-IBI），并对香溪河河流生态系统健康进行评价；

The integrative multi-object restoration, aiming at ecosystem health of urban river was proposed, and the principles for ecosystem restoration of urban rivers were given.

提出了以城市河流生态系统健康为最终目标的多目标整体修复思想，界定了河流生态系统修复活动须遵循的原则。

It is a mine of wealth, health to the soul, and a river of pleasure.

它是宝藏、是心灵的健康，并且是快乐的源泉。

This network is dedicated to calling for action to protect the health of transborder river basins in Northeast Eurasia, while also pushing for best practice in river management.

这个网络致力于通过联合倡导行动保护欧亚大陆东北部跨国界流域健康和推动最佳的河流管理。