难以

He is at this time transporting large armies of foreign mercenaries to compleat the works of death, desolation and tyranny, already begun with circumstances of Cruelty and perfidy scarcely paralleled in the most barbarous ages, and totally unworthy of the Head of a civilized nation.

他此时正在运送大批外国雇佣兵，来从事其制造死亡，荒凉和暴政的勾当，其残忍与卑劣从一开始就连最野蛮的时代也难以相比，他已完全不配当一个文明国家的元首。

He is at the time transporting huge Armies of foreign Mercenaries to compleat the works of death, desolation and tyranny, already begun with circumstances of Cruelty and perfidy scarcely paralleled in the maximum barbarous ages, and totally unworthy the Head of a civilized nation.

他此时正在运送大批西方全国全国全国佣兵来完成屠杀、破坏和肆虐的勾当，这种勾当早就开端，其残酷卑劣甚至在最野蛮的时代都难以找到先例。他完全不配件为唯一文明全国的元首。

It is difficult to implement the face recognition mechanism using computers for several reasons. Human face is a deformable object composing of complex 3D curve surfaces, which is hard to be represented in form of mathematics.

计算机人脸识别是一个复杂而困难的问题，其原因是：人脸是由复杂的三维曲面构成的可变形体，难以用数学描述；再者，所有人的人脸结构高度相似，而人脸的图像又受年龄和成像条件的影响，这使得同一人在不同条件下的差别可能比不同的人在相同条件下的差别还要大。

Traditional load applying methods are simple with little automatization, and most are done only on the plane so that complex spatial joint experiment is hard to achieve.

结构试验是研究节点性能的有效方法，传统的建筑结构试验设备加载方式简单、自动化程度低，多数只能进行平面加载，难以进行比较复杂的空间结构节点试验。

Traditional workflow products have difficulties in supporting the complex features of group activities in business processes.

传统的工作流产品从建模到运行对业务流程中复杂的群组特性难以提供有效的支持。

It is a complex optimization system to elevator group control system with multi-objective,stochastic and nonlinear characteristics.

电梯群控系统是一个复杂的决策系统，具有多目标性、随机性和非线性等特点，难以采用精确的数学模型加以描述，因而传统的控制方法很难提高系统性能。

The construction of the complex building group is a complicated system. The traditional planning method is inefficient in describing and analyzing such a complex system.

复杂建筑群的施工过程涉及的因素多，采用传统的分析模式效率较低，难以全面的把握工程施工过程。

To RPC, the fluidity was usually a key index, because it directly reflected the work-ability. The effect factors were complex, however, the quantity relation between the RPC fluidity and its effect factors could not be expressed with a uniform numeric formula. There was no effective method for this problem at present. In accordance, a numeric method which used for controlling the RPC fluidity was advanced. The neural network model based on genetic algorithm was introduced for a aptitude method consequently.

流动度是RPC配制的一个关键指标，它直接反映了其工作性的优劣，但其影响因素复杂，难以用统一的数值关系直接描述RPC流动度与其影响因素的量化关系，目前还没有合适的计算方法，为此，提出控制RPC流动度的数值方法，即引入遗传神经网络对RPC的流动度进行预测控制。

Aiming at the problem that the condition information of large size steam turbine unit is complex and difficult to evaluate its condition accurately, an evaluation method based on evidential reasoning is proposed.

针对大型汽轮机组状态信息复杂，运行状态难以准确评价的问题，提出基于证据推理的状态评价方法。

Greenhouse environment is a inertia , nonlinear, complex system with many variable. It's very hard to establish mathematic model and control with traditional control method.

温室环境是一个多变量的非线性复杂系统，难以建立精确的数学模型及用传统控制方法实现控制。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷