In this way, farmers have enough moisture to produce a grain crop in each strip every other year . 这种方法使农民每隔一年在每块条田中有足够的水分去生产谷物。
It is practically impossible to remove all the moisture from a sample without deterioration of the product . 要去除样品的全部水分而又不损坏产品，实际上是不可能的。
In general, the annual rainfall in these regions is less than the annual water loss by evaporation . 总的来说，这些地区的年降雨量比一年内由于蒸腾而失去的水分要少。
Local factors in the skin unrelated to allergy such as sweating and overhydration, tend to aggravate eczema . 皮肤的局部因素，如出汗，水分过多等与过敏无关，但可使湿疹加重。
Into the stagnant swamps fall dead limbs, trunks, leaves and spores, soon to be water-logged and to sink . 枯萎的树枝、树干、树叶和孢子落进这种停滞的沼泽里很快就饱含水分向下沉降。
The sample types include rock sample, stream sediments, water samples and rarely, widely spaced soil samples . 样品类型包括岩石样品，水分沉积物，水样以及偶而采用的大间距土壤样品。
During the day water loss by transpiration exceeds water absorption by the roots, and leaf water potential decline . 白天蒸腾作用散失的水分超过根系吸收的水分，因而叶子的水势就下降。
The hydrogen bonding that takes place between water molecules accounts for some of the remarkable and vital properties of water . 水分子之间的氢键解释了水的某些特具的和维持生命所必需的性质。
Air is said to be saturated with water vapor when it contains the maximum amount that will evaporate at a given temperature . 当空气中所含水分在一定温度下处在最大蒸发量时，就说空气中的水分饱和了。
