| 1. | Exact computation of the burning surface area is lengthy .
燃烧面积的精确计算是非常繁难的。 |
| 2. | It would be complicated but not prohibitively difficult to blend one or the other of these effects into the sandwich burner model .
在夹层燃烧模型中加入一个或另一个影响因素，自然便使问题复杂化了，但还不是过于繁难的。 |
| 3. | I taught a rigorous course in decision theory for years , and as i said earlier bridges is a book about hard choices
我曾经开过一门繁难的决策论课程达数年，我在前面说过， 《廊桥遗梦》的主题是最繁难的选择。 |
| 4. | Therefore , observation and control of the climate in the grottoes has become another formidable area of work for scientific workers
因此，观测和控制窟内小气候，便成了科学工作者们又一项艰巨繁难的常规性工作。 |
| 5. | One of the features of his editorial ideas was that he endeavored to publish the large - scaled scientific research series all by himself
纳兰性德编辑思想的特点，其一是敢于以个人的微薄之力，编辑出版大型学术研究丛书，把一项需要众多经学专家完成的繁难的文化学术工程预想变成了现实。 |
| 6. | How to give rise to an environment good for the development of nongovernmental organizations and how to lead them through the managerial and functional barriers still remains a hard task
如何培育民间组织成长的良好环境，寻求民间组织在管理与功能上的突破，至今仍是一项十分繁难的任务。 |
| 7. | It is carrying on under the condition that the government pushes forward the reform energetically . in regard to reform , the government carries the troublesome mission , also facing the enormous risk
中国的社会转型是在政府大力推动改革的条件下进行的，就改革而言，政府肩负着繁难的任务，也面临着巨大的风险。 |
| 8. | Saying nothing of any intention of coming home . in 1810 he received letters from home in which he was told of natashas engagement to bolkonsky , and of the marriage being deferred for a year , because the old prince would not consent to it . this letter chagrined and mortified nikolay
这一切极为繁难而又紊乱不堪，所以他总用他那冷淡的模仿古典书信的旧格调给母亲回信：开头写的是“ ma chre maaman ， ”末尾写的是“ votre obissant fiis ， ”可是，他打算何时回家，他却矢口不谈。 |
