The problems are difficult to solve. Please give me some advice.
这些问题很难解决。请给我一些建议。
These methods may be useful for a while, but it is difficult to solve this problem completely.
这些方法可能暂时有用，但要完全解决这个问题是很困难的。
The detectives find it difficult to solve the case when each victim hides his or her own secrets.
每个受害人都隐瞒着他或她的秘密，让警探感到难以破案。
So the traditional optimize algorithms is difficult to solve poly-goal, poly-restrain problems.
故用传统的数学优化算法，难以解决多目标、多约束问题。
It is difficult to solve the problems of this kind numerically because of the boundary layer effect.
由于边界层效应，使得这类问题的数值求解十分困难。
In recognizing number written by hand, the recognition of offline irregular number is more difficult to solve.
在人类手写教码识别中，脱机不规则数码的识别是识别算法中比较难解决的问题。
To realize this technology are not difficult to solve, the key is must have the corresponding legal protection.
实现这一点的技术不难解决，关键在于要有相应的法律保障。
All these make it difficult to solve the problem of ship investment with traditional investment decision method.
所有这些就决定了传统投资决策方法无法圆满解决船舶投资决策问题。
But in the existing threshold signature scheme, conspiracy attack is still a problem which is difficult to solve.
但在现有的门限签名方案中，合谋攻击一直是一个难以解决的问题。
The details of the problem is not difficult to solve, the key is not to turn a blind eye, not to see and no matter.
细节问题解决起来并不难，关键是不要视而不见，更不要见而不管。
It is difficult to solve in large scale because the LRP is a typical NP-hard problem in combinatorial optimization.
由于定位-车辆路线问题是组合优化问题中一个典型的NP难题，大规模时难以精确求解。
It is difficult to solve it by traditional mathematic and mechanical methods, so the numerical value analysis is used.
经典的数学方法和力学方法对大多数接触问题都难以解决，需用数值计算方法来进行分析。
Because of double nonlinearity, the equations describing the problem are complicated and it's difficult to solve them.
由于考虑了问题的双非线性，使得描述问题的数学模型很复杂，对它的求解变得更加困难。
It's difficult to solve the direct kinematics of a parallel machine tool (PMT), which will deal with nonlinear function set.
并联机床运动学正解问题由于涉及到求解非线性方程组问题而不易解决。
Because of the particularity of acoustic area transition and mixed sound, the problem of tenor is always difficult to solve.
因声区转换及混声的特殊性，男声的高音演唱问题一直是比较难解决的。
When such factors are involved, the nonlinear governing equations become more complicated, which is quite difficult to solve.
而且由于考虑诸多的因素，其非线性控制方程十分复杂，此时，必须寻求新的求解方法。
Incrustation of evaporator liquid room was the general existence and a problem difficult to solve in black liquid evaporation.
造纸黑液治理技术中，蒸发器结垢是黑液蒸发中普遍存在而难以解决的问题之一。
Theory guidance function of model undeniable, imitate a certain abstract theory model difficult to solve the realistic problem.
理论模型的指导作用是不可否认的，但照搬某种抽象的理论模型却难以解决现实问题。
Other reasons for poor usability exist regardless of the presence of dedicated designers. These problems are more difficult to solve.
出去设计师的原因，其他造成低可用性的问题更加难于解决。
The model of traditional approaches for back analysis of displacements is very complex and it is rather difficult to solve them.
各种传统位移反分析方法的反分析模型非常复杂，求解亦非常困难。
In fact, as long as there is a pragmatic and responsible attitude, confused our society's school bus, is not actually difficult to solve.
事实上，只要有有务实、负责的态度，困惑我国社会的校车问题，其实不难解决。
There is no significant critical formula of stability in the previous literatures of the field because it is quite difficult to solve for the.
已往有关这方面的结论，因求解大型矩阵特征值比较困难，一直未能给出有直接指导意义的稳定性临界公式。
There are a lot of NP-hard optimization problems in the engineering application, which are difficult to solve by traditional mathematical techniques.
在实际工程应用中有很多优化问题是NP难问题，难以应用传统数学方法来解决。
Rapid removing of compressed snow on urban roads has been a problem difficult to solve. There is no efficient and practical machine for it presently.
城市道路压实积雪的快速清除一直是较难解决的问题。目前，仍没有高效实用的除雪机械。
The mathematical adjoint equation. not the physical adjoint equation, is required for nodal method, but it is rather too difficult to solve the former.
对于节块法，需要的是数学共轭方程，而不是物理共轭方程，但数学共轭方程求解比较困难。
Because equilibrium assignment model has large number of variables and restriction conditions, it is difficult to solve it, which affects its application.
对于均衡分配模型，由于变量较多、维数太大、约束条件太多，使得模型的求解较为困难，影响了在实际中的应用。
It is difficult to solve further problems on qualities using traditional rolling theory, and the prediction of tube hollow qualities is even more difficult.
传统的轧制理论难以解决其质量问题，应用人工神经网络则能较好地解决毛管质量的预测问题。
It is difficult to solve further problems on qualities using traditional rolling theory, and the prediction of tube hollow qualities is even more difficult.
传统的轧制理论难以解决其质量问题，应用人工神经网络则能较好地解决毛管质量的预测问题。
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