| 1. | One may well ask where the main difficulties lie .
有人可能会问：主要困难究竟在什么地方。 |
| 2. | The main difficulty was failure of refractories at high temperature .
其主要的困难是高温下耐火材料的损坏。 |
| 3. | The main difficulty in the direct application of the galerkin and ray-leigh-ritz methods is the choice of the global functions .
在直接采用盖勒金和雷利--里茨方法时，最主要的困难在于如何选取整体函数。 |
| 4. | Ever since the onset of keynesian revolution in the 1930s, one of the main difficulties in macroeconomics has been the forming of a satisfactory framework .
从二十世纪三十年代凯恩斯主义革命开始以来直到现在，宏观经济学的主要难题之一，就是要组成一个令人满意的结构。 |
| 5. | The main difficulty in china is rampant piracy
在中国，主要的难题就是盗版猖獗。 |
| 6. | Shortage of skilled workers is our main difficulty
缺乏熟练的工人是我们的大难题。 |
| 7. | Lack of funds is the main difficulty that faces them
他们面临的最大困难是资金不足。 |
| 8. | He addressed himself to the main difficulty
他著手解决主要的困难。 |
| 9. | This is one of the main difficulties the project is facing
这是该工程目前面对的主要困难之一。 |
| 10. | The main difficulties with this approach are timing and accuracy
这种方法的主要难点是抽吸时间及准确性。 |
