| 1. | Methods were tried in case a useful tool should emerge .
试验了各种方法，以便确定哪一种是有效的。 |
| 2. | A hammer and a saw are useful tools
锤子和锯都是有用的工具. (两样物体,作为复数。 |
| 3. | Bamboo can be made into many useful tools
竹子可以制成很多有用的工具。 |
| 4. | Findbugs can be a useful tool in your arsenal
Findbugs会是您的装备库中一件有用的工具。 |
| 5. | The computer is ever such a useful tool
计算机是一种非常有用的工具。 |
| 6. | A useful tool to understand ocl is the
是一种有用的理解ocl的工具。 |
| 7. | One useful tool for debugging shared library problems is
是调试共享程序库问题的一个实用工具。 |
| 8. | Experiment results show the effectiveness of this useful tool
实验结果证实了该工具的有效性。 |
| 9. | The computer is a useful tool which we often depend upon
计算机是我们经常依赖的有用的工具。 |
| 10. | Is a useful tool when determining how to match these forms
在确定如何匹配这些格式（ form ）时， |
