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- Lack of funds is the main difficulty that faces them. 他们面临的最大困难是资金不足。
- He addressed himself to the main difficulty. 他著手解决主要的困难。
- He addressed himself to the main difficulty . 他专心致力于解决主要困难。
- Shortage of skilled workers is our main difficulty. 缺乏熟练的工人是我们的大难题。
- The main difficulty in China is rampant piracy. 在中国，主要的难题就是盗版猖獗。
- Lack of fund is the main difficulty that faces them. 他们面临的最大困难是资金不足。
- 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。
- 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。
- The main difficulty is that low-level management of disk partitions risks system integrity, if anything goes wrong. 主要困难在于,如果任何事情发生错误,那么磁盘分区的低级管理将危及系统完整性。
- The main difficulty in phase unwrapping stems from the noise and residuals in the phase image. 然而，由于磁共振成像噪声比较严重，而且组织交界区域附近相位本身就存在突变，造成解缠绕的精度下降。
- Sina science and technology: Is at present main difficulty they disrelish the price too low? 新浪科技：目前主要困难是他们嫌价格太低？
- 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。
- The mathematical property of CO is analyzed, which pointed out that the main difficulty in CO is how to construct the system-level constraints. 由于协同优化独特的数学结构,其主要的计算困难在于如何构造有效的系统级协调优化的约束模型。
- The verification of throughness of workflow logic is very expensive both in time and space.The state ex- plosion is the main difficulty. 工作流的畅通性验证无论在时间上还是空间上代价都是非常高的,状态空间爆炸是验证的主要困难所在。
- The main difficulty on the study of aeroelasticity lies in the effects of unsteady separation, shock and viscosity to the stall flutter. 振荡叶栅的非定常分 离、粘性效应和跨音激波对失速颤振的影响成为当前气动弹性力学的 主要难点。
- The private economic endogeny demand means the fund demand of the private economy itself and the main difficulty in its capital collection. 所谓民营经济内生性资金需求，即指民营经济自身的资金需求状况及其在资金筹措中的主要困难。
- One of the main difficulty in synthesis core-shell magnetic polymers is the monodispersion of the magnetic nanoparticles in organic monomer. 制备核壳型高分子磁性材料一个最主要的难点就是纳米四氧化三铁在有机单体中的均匀分散。
- The heavy oil with a very deep depth has a certain flowing capacity, but it has big flow resistance through the wellbore, which causes the main difficulty of production. 深层稠油在油藏条件下具有一定的流动能力,但在井筒中的流动阻力却很大,造成生产上的困难。
- Early in this work he discovered the self-referential paradoxes which posed the main difficulty for logicism and which he eventually overcame by the theory of types. 早期这这种工作中他发现了给逻辑主义带来主要困难的自指悖论，并且他最终通过类型理论克服了这一悖论。
