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Because of isomerous data,the model in existence had shortcomings as adaptability and reusing.

由于水稻生产管理中存在较多异构数据,现有模型难以克服时空适应性弱及代码重用等不足。

Meanwhile, small and medium-sized enterprises are confronted with knotty problems and lack of support from the government.

同时也应该看到中小企业面临着许多难以克服的困难和问题,需要政府的支持。

However, the local maximum problem in the registration is insurmountable.

但是,配准过程中的局部极大值难以克服

The paradox of material implication is resulted from its double roles.

但是正因为如此,逻辑学中出现了难以克服的语义解释问题。

All the eigen values of the matrix and orthogonal eigen vectors can be solved by this method without solving higher degree equation and orthogonalization of every eigen vectors.

而求解矩阵的特征值将意味着求解高次方程的根,这在数学上将遇到很大的困难,有时是难以克服的困难。

Therefore,it is necessary to research diffusion equation for suspended sediment because it describes the sediment move process in the water body.The equation is a various coefficients second-order linear partial differential equa-tion,such equation under complex boundary condition is very difficult to get its analytical solution,while its numerical solution relative analytical solution is more easier and has the obvious superiority:simple,the computation convenience.but to get a kind of difference format which is good accuracy and stability is not easy.

泥沙扩散方程实际上是一个变系数的二阶线性偏微分方程,这样的方程在各种复杂边界条件下求解是十分困难的,求它的解析解在数学上存在着难以克服的障碍,无法求出其精确解,因此常用数值方法求它的近似解,相比较而言,数值方法有着明显的优势:即简单灵活、计算方便快捷,但要寻找一种精度高、稳定性好、计算方便的差分格式也并非易事。

Traditionally the external force of the active contour is given by the gradient potential energy, which has some

场给出,但是由于梯度势能场存在着一些难以克服的缺点,即不能够很好地指导曲线的移动,为此,对其进行了改

They faced formidable difficulties in their attempt to reach the South Pole.

他们在到达南极的尝试中遇到了难以克服的困难。

Further, quantumized gravity theory meet the difficulty of infinity, which is substantively difficult for it to overcome.

另外量子化的引力理论遇到了难以克服的无穷大困难

Because of the formidable weakness of Chamberlain and Tariff Reform programs, the powerful force of dissenters and the deep-rooted free trade conception, Tariff Reform Campaign failed before Chamberlain died.

由于张伯伦及其关税改革计划存在着难以克服的弱点、反关税改革力量的强大以及自由贸易观念根深蒂固,关税改革运动没有在张伯伦有生之年取得成功。

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推荐网络例句

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。