| 1. | The forces of reaction made reform difficult .
反动势力给改革造成了困难。 |
| 2. | The same disease problems beset the broiler industry in the early stages of development .
这些疾病在肉用仔鸡业发展的早期曾造成了困难。 |
| 3. | Widespread electric outages across the state make communications difficult
大规模停电为全州的通讯造成了困难。 |
| 4. | Now you will ask : when the difficulties come from ourselves , where do they come from
现在你会问：如果是我们自己造成了困难，那么它们来自何处？ |
| 5. | It is a pity that the brain drain already has caused the difficulty in industries and the economy for many developing nations
遗憾的是，人才外流已给许多发展中国家的工业和经济造成了困难。 |
| 6. | Before the application of 3d scientific visualization , a two - dimensional and static method was often adopted to express the result of the analysis and interpreting of geological data . this makes it difficult to know the geological conditions directly , completely and accurately
在应用三维可视化技术之前，地质资料的分析解释都局限于二维、静态的表达方式，它给人们直接、完整、准确的理解与感受地下地质情况造成了困难。 |
| 7. | For a long time past , all of the interpretation results from gis data have been displayed or mapped by having resort to 2d and static approach . that creates difficulty for people to tell immediately and positively what the overall results means about the terrain surface . also , the relevant information obtained could not be brought into its full play
长期以来，地理信息系统资料的分析解释成果局限于二维静态表达方式，它给人们直接、完整、准确地理解与感受成果所反映的地表地形地貌情况造成了困难，也限制了资料的充分利用。 |
| 8. | In applying fuzzy systems , a common problem is that there may exist redundant fuzzy subsets and rules , which can on the one hand increase the complexity of the fuzzy system and wasting the computational capacity , on the other hand make it difficult to describe the fuzzy system with natural language
应用模糊系统时，常常会遇到的一个问题就是系统中可能存在冗余的模糊子集和模糊规则。一方面增加了系统复杂性，浪费了计算能力，另一方面也给使用自然语言来描述系统造成了困难。 |
