凭经验的

Traditional ways of characteristic extraction often choose a certain number of the best character by intuition, physical meaning of characteristic root or predecessor's experience .

传统的特征选取方法，很多情况下都是凭直觉、特征值的物理意义或前人的经验来选出若干最好的特征，而本文采用解析的方法来指(来源：A2c1cBc1C论文网www.abclunwen.com)导特征的选取，更具有说服力。

The development dysphasia of the hip is an illness commonly found among children. In the conventional treatment to DDH, the modification of the bone position is based on the analysis of feature parameters to 2D X-ray photo and the surgical result is highly dependent upon surgeon s personal experience.

儿童发育性髋脱位是一种常见的疾病，传统的治疗手术基于二维X光片分析特征参数，手术过程中凭医生经验确定调整位置，手术的质量和效率都有较大的提升空间。

In this method, the effect of the course of the excavation to the coefficient has been taken into consideration and the coefficient can be got by the initial tangent modulus of the curve about stress-strain relationship.

而目前关于其沿深度的变化规律有多种不同的假设，水平向基床系数的取值大多凭工程经验及现场试验来确定，带有很大的随机性且缺乏足够的理论依据。

By fully taking advantage of its strong points and abundant management experience and with an overall competitive strength, this team, when facing opportunities and challenges, innovates and enterprises with a firm will and is dedicated to the common development of the enterprise, customers and stuffs, and upholds and carries forward the enterprise spirit of "credit, commitment, tenaciousness and innovation", and has established its unique enterprise value and management idea to enable the enterprise to adapt to the development of economic globalization increasingly.

营口燕南石化设备是由一群有志于为企业的发展与进步而奋斗的各领域精英所组成的队伍，它充分发挥自身优势和丰富的经营经验，凭靠着整体竞争力，在机遇与挑战中，锐意创新进取，致力追求企业、员工和客户的共同发展、秉承"诚信、敬业、坚韧、创新"的企业精神，建立了自己独特的企业价值观和企业经营理念，使企业不断适应全球化经济的发展。

One method of preserving it is, to use it as sparingly as possible; avoiding occasions of expense by cultivating peace, but remembering also that timely disbursements to prepare for danger frequently prevent much greater disbursements to repel it; avoiding likewise the accumulation of debt, not only by shunning occasions of expense, but by vigorous exertions in time of peace to discharge the debts, which unavoidable wars may have occasioned, not ungenerously throwing upon posterity the burthen, which we ourselves ought to bear.

在你们可能被邀参与的所有变革中，你们应当记住，要确定政府的真正性质，正如确定人类其它体制一样，时间和习惯至少是同样重要的；应当记住，要检验一国现存政体的真正趋势，经验是最可靠的标准，应当记住，仅凭假设和意见便轻易变更，将因假设和意见之无穷变化而招致无穷的变更，还要特别记住，在我们这样辽阔的国度里，要想有效地管理大家的共同利益，一个活力充沛的、并且能充分保障自由的政府是必不可少的。

To ensure the normal shipping, the shipping companies and shipmen have to handle the daily work of the mass information everyday.

为了保证航运的正常进行，各航运企业和船舶的工作人员每天都要处理海量的信息，按照传统的单凭个人经验决策的方法，已无法满足现代航运业发展的需求。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。