| 1. | And water holds the promise of life
而有水便可能孕育出生命。 |
| 2. | Influence of pam to soil hydraulic conductivity and water holding capacity
对土壤水分蓄渗能力的影响 |
| 3. | Generally , natural forests had water holding capacity of over 2100 t - hm - 2
而0 40cm土壤层最大贮水量一般占林分总持水量的95以上。 |
| 4. | This indicates that the accumulation of soil organic matter influences evidently the water holding capacity
说明，有机质的积累对土壤持水性能改善有重要作用。 |
| 5. | By comparison , the share for the supply of electricity , gas and water held largely steady during the period , at about 3 per cent
至于水电煤气供应所占比率则大致保持平稳，一直在约3 %的水平。 |
| 6. | If our supply of food and water holds out , we plan to camp here for another week . however , whenever it gives out , we ' ll have to leave
如果食物跟水可持续供给，我们打算在这在露营一周。无论如何，只要粮食一吃光，我们就得离开了。 |
| 7. | Fallen trees also provide bird and animal shelter , increase water holding capacity of the soil , and recycle nutrients back into the environment through decomposition
倾倒的树木也为鸟类和动物提供了栖息的场所，同时保持了水土，通过物质分解，将营养成分循环利用。 |
| 8. | Under the same soil moisture suction , water holding quantity in soils from high to low in turn was lou soil , hei - lu soil , loessial soil and aeolian - sandy soil
土壤水分动态变化过程(干湿交替次数)和变化强度(温度变化)对黄土高原地区四种土壤钾的有效性有较大影响。 |
| 9. | In addition to nutritional factors , the productivity of many acid soils is affected by physical factors that include low water holding capacity （ oxisols , spodosols ） and susceptibility to crusting , erosion and especially compaction （ oxisols , ultisols ）
除了养分因素外，许多酸性土壤的生产力受物理因素的影响，包括持水量低（氧化土，灰化土）和对结壳、侵蚀及特别是压实（氧化土、老成土）敏感。 |
| 10. | In northern china , drought and soil erosion are very severe . so , it is necessary to search for a new efficient irrigation method which is suitable for water holding and drought resistance in northern china . water storage pit irrigation is a new orchard irrigation method suitable for northern hilly region
我国北方地区不仅存在干旱问题，水土流失问题也相当严重。寻求适合于北方地区保水抗旱、高效灌溉的新方法是十分必要的。 |
