对于一个寻水的口渴的人而言，我们必须这样寻找。
但他们需要食物、水和燃料，这些在荒野中无处可寻。
Yet they need food, water and fuel, which are hard to find in the wilderness.
老年鼠用药两个月后，在学习如何在水迷宫中寻路时比起其他同龄鼠出色得多。
When they gave it to old rats for two months, the elderly rodents did far better than other old rats in learning their way around a water maze.
在作物水模型及作物水盐响应相关研究中，目前多采用最小二乘法进行参数寻优，动态规划法对系统进行优化。
At present, usually parameters and systems have been optimized by least square techniques and dynamic programming in the research of crop water model and crop response to water and salt.
在作物水模型及作物水盐响应相关研究中，目前多采用最小二乘法进行参数寻优，动态规划法对系统进行优化。
At present, usually parameters and systems have been optimized by least square techniques and dynamic programming in the research of crop water model and crop response to water and salt.
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