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- In view of the structure characteristics of forestry machinery, security index of forestry machines can be improved using ergonomics principle. 针对林业机械的结构特点，应用人机工程学原理提高林业机械的安全性指标。
- Yulin District and Hengshan County were taken as the cases, and ecological security index system was constructed to assess the security levels of the two regions. 选择了榆林市和横山县两个行政单元，针对区域特征，构建了不同尺度上的生态安全指标体系，利用层次分析法，对不同尺度上生态安全的空间分异进行了研究。
- On Water for Environment and Construction of Water Eco environment of Chengdu 论成都的环境用水和水生态环境建设
- ecological security index of tourist destination 旅游地生态安全指数
- Keywords Chengdu;water for environment;construction of water eco environment.; 成都;环境用水;水生态环境建设;
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- The nurse diluted the drug with saline water. 护士用生理盐水把药加以稀释。
- eco - security index 生态安全指数
- Putting water in brandy is sacrilege. 在白兰地中掺水是可恶的事。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- By compiling Foreign Trade Index and relevancy analysis to Shanghai Securities Index, the article supplies a method of analyzing operating and developing conditions in the line of Foreign Trade. 通过编制外贸指数及将其与上证指数进行相关性分析，提供一种外贸行业经营情况的分析方法。
- He cooked the pasta in a large pan of boiling water. 他用一大锅开水煮义大利面食。
- I put the shirt in soapy water to soak out the stain. 我将衬衫浸在肥皂水里以去除污渍。
- Fill your radiator with water, or your engine will overheat. 给你的散热器充水，否则引擎会过热。
- Let the tea leaves steep in boiling water for five minutes. 让茶叶在滚开的水中浸泡五分钟。
- You need to filter the drinking water. 你需要把饮用水过滤。
- I waved my dog to plunge into the water. 我挥手示意我的狗跳入水中。
- Nothing will induce me to jump into the icy water. 我怎么也不会想跳进这冰冷的水里。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- The chain has fallen foul of plants in the water. 链条已和水中的植物缠绕在了一起。
