Take a long, hard look at all of the services available and your time constraints and choose the ones that pique your interest the most.
长时间仔细的的看一下所有可以得到的服务和你的时间限制，然后选择那些最能引起你兴趣的。
Even if these conditions are hard to meet in practice, fiscal constraints are often more useful than no rules at all.
即使这些条件在实践中都难以实现，但有财政约束往往总比没有任何规则要好。
The hard thing about groups and dependencies between constraints in general is that describing them can soon become very, very verbose and complex.
关于组和约束之间的依赖，一般来说比较难的事情是对它们的描述很快就会变得非常非常冗长和复杂。
To the programmer, these constraints mean a heavy (both in terms of memory use and interface size) and unwieldy API that can be hard to learn and frustrating to use.
对于程序员，这些约束意味着庞大(在内存占用和接口大小方面)的和难掌握的API，学习和使用都很难。
But cash constraints and rules on public-sector contracts make improvement hard.
但是资金限制以及公共部门合同条款使得进展缓慢。
Since the constraints of tasks are complicated, this thesis extends and complements the schedulability analysis methods for hard real-time tasks.
针对约束复杂性的特点，论文对强实时任务的可调度性分析方法进行了扩展和补充。
Three dimension packing problem with multi constraints is a complicated combinatorial optimization, and is NP HARD problem. It is difficult to obtain on optimal solution.
多约束条件下的三维装箱问题是一个复杂的组合优化问题，属于NP-HARD问题，其求解是很困难的。
However, , these animation but because the TV channels of space constraints and the scarcity of hard ISBN released.
但这些动漫却由于电视频道空间和书号稀缺的限制而难以发表。 ?。
As a combinatorial optimization problem, three dimension packing problem with multi-constraints is NP-HARD problem. It is very difficult to obtain an optimal solution.
作为一类组合优化问题，多约束条件下的三维装载问题属于NP - Hard问题，其求解也是相当困难的。
The optimal objective value is a complicated piecewise linear function of the right-hand-side vector of the constraints, and its analytical expression is normally hard to obtain.
当线性规划约束条件的右端向量在一定范围内变化时，目标函数的最优值是右端向量的一个复杂的分片线性函数，但通常难以给出分析表达式。
MuSTSP is a kind of NP problems with complex requirements and constraints. It also has some special characteristics, such as hard time window constraints.
多星测控调度问题是一类NP问题，需求复杂、约束众多，具有诸如强时间窗约束等特点。
In China, due to a variety of soft and hard environmental constraints, the effect of port logistics to modern integrated logistics is much less than developed countries.
在我国，由于受到各种软、硬环境的制约，港口物流在现代综合物流中所发挥的作用远不及发达国家。
We discover that it is hard for us to distinguish different neutron star models by the simple constraints of masses, redshifts and rotations on mass-radius relations.
结果发现，质量、红移及旋转频率对相应状态方程质量-半径关系的简单限制很难区分不同的中子星模型。
People can not subjected to time and space constraints, anytime, anywhere from their own hard disk, which she wanted.
人们可以不受时间和空间的限制，随时随地从自己的硬盘中取出想要的文件。
People can not subjected to time and space constraints, anytime, anywhere from their own hard disk, which she wanted.
人们可以不受时间和空间的限制，随时随地从自己的硬盘中取出想要的文件。
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