在...保证下

Experimental results show that the fixed vector hierarchical fractional coding approach achieves higher compression obviously, and it codes and decodes faster than the standard fractional block coding method.

实验表明，与基本的分形块编码方法相比，本文提出的固定矢量层次分形编码方法在保证一定的重建图象质量下，使图象的压缩比有了明显的提高，并且大大提高了编码和解码速度。

The use of fuzzy logic to optimize the efficiency of an induction motor is described in this paper.

该方法能在保证电机转速不变的情况下明显提高电机轻载时的效率。

This paper has established the mathematical model of its optimal design for studying wet-field roller boat's gear transmission case.

为减轻机滚船质量、节约材料、降低生产成本，以机滚船齿轮传动箱为研究对象，建立了其优化设计的数学模型，在保证给定中心距和传递功率的条件下，合理选择齿轮传动参数，使传动箱的用料最少。

And the weakness of the legal system means that companies operate in a confusing half-light.

而且薄弱的法律体系也很难保证企业能在光天化日下公平的运作。

Third, based on the parameter determination approach and the polynomial path-finding method, the QoS routing algorithm for hierarchical networks is proposed.

关键思想是在保证近似程度可控的前提下，利用层次化网络中固有的不准确信息有效地降低了寻路算法的复杂度。

By Llibre's algebraic invariant theory, at first on the basis of classification for quadric and quadric homogeneous binary polynomial, the plane linear and cubic homogeneous polynomial differential systems are classified.

利用Llibre的代数不变式理论，首先由二元二次和二元四次多项式的分类结果，对一次和三次齐次多项式微分系统进行代数分类，同时补充了已有结果中出现的漏洞；其次，由称共变张量空间的性质，对缺二次项的三次微分系统在保证轨线走向不变的前提下进行代数分类，使分类后同类系统的示性多项式有相同零点；最后通过讨论一类简单系统的有界性说明了分类的方便方处。

Keeping the terrain figure and hypsography, the digital watermark is robust.

该算法在保证地形形状和起伏特征的前提下，提高了水印的鲁棒性。

This method uses a threshold T to choose the blocks of halftone image to imbed information,which imbeds data as many as possible under the guarantee of the quality of the halftone image.

该方法利用了阈值T来控制水印的嵌入位置，在保证图像质量的前提下，嵌入尽可能多的数据。

We summary the feasible impetus mechanism as follows: to plan regional economy as a whole and offer technology and system as a guarantee; to attach most importance to regulation of agricultural structure; to advance agricultural scale economy, develop rural education in full sail and improve ecological environment; at the same time, to accelerate agricultural industrialization and consummate rural service system for reconciling the conflict between agricultural growth and farmers'income decrease.

当前新疆适宜的农业经济增长动力机制可概括为：在农业区域经济统筹发展和技术、制度助推的保证下，以农业结构的战略调整为重点，提高农业生产规模效益，大力发展农村教育，改善农业生态环境，同时，以农业产业化经营和健全农村服务体系应对农业经济增长和农民增收乏力的矛盾。

Ingrain diamter determination, fist the desulfurization rate should be ensured, to obtain the optimized economic index.

石灰石粒径确定原则为在保证一定脱硫率的前提下，获取最优的经济指标。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失