Learning by doing may not be efficient, but it is effective.
边做边学可能效率不高，但却很有成效。
但这种方法是有效的。
Tests suggest it is effective at a distance of 1.5km.
测试显示其有效范围为1.5公里。
It will be two years before we know whether it is effective.
两年之后我们才能知道它是否有效。
The product also represents that it prevents the disease caused by the H1N1 influenza virus, that it is effective against viruses and provides extended antimicrobial efficacy.
该产品还宣称具有防治H1N1流感病毒作用,能有效抵抗病毒并延长抗菌功效。
The tests show it is effective.
试算表明该方法是有效的。
Fact proved that it is effective.
实践证明，该方法是行之有效的。
Experiment results show that it is effective.
实验证明该算法是行之有效的。
Though the thermodynamic analysis is semi ideal, it is effective.
上述热力学分析虽然是半理想化的，但是非常有效。
The appliance result in inverted pendulum shows that it is effective.
在倒立摆试验中的应用结果表明了该方法的有效性。
Validated by years of teaching practice, it is effective and quite practical.
通过多年的教学实践检验，教学效果良好，可操作性强。
But it is effective and it is also pleasing to many more people than you would think.
但这种办法行之有效，而且深受老百姓欢迎，其人数之多超过了你的想象。
Conclusion it is effective that fluoride iontophoresis treats dentin hypersensitivity.
结论氟离子导入法治疗牙本质过敏症是有效的。
A lot of studies show that it is effective to degrade organophosphates by microorganisms.
大量研究表明利用微生物对环境中有机磷农药的净化处理是行之有效的。
So, it is effective to set up the reliability assessment method to the pre-stressed anchorage.
因此建立有效的预应力锚固体系的可靠性评估方法是十分必要的。
While in a similar condition, it is effective to apply the empirical formula for engineering design.
在工程设计中，当条件相近时，直接用该公式设计是可行的。
This encoding method is used in the proposed evolutionary ANN. The results show that it is effective.
所设计的进化神经网络经实际应用取得了很好的结果，表明该方法是有效的。
Gentle enough to use everyday, and it is effective against dandruff, cradle cap, dermatitis, and lice.
本品温和适用于每天使用，它有效对抗头皮屑，乳痂，皮炎和虱子。
Then, it is effective and feasible to introduce EVA system into our performance measurement index system.
因此，将EVA体系引入我国的绩效评价体系是有效可行的。
The result shows that it is effective for solving ordinary differential equation with variable coefficients.
结果表明，该方法对于求解各类变系数常微分方程是十分有效的。
Test shows that it is effective in practice and must play a positive role in the development of new products.
本设计装置经试验是行之有效的，对在台车上开发新产品起着积极的作用。
The experiment results show that it is effective on solving Degree - constrained Minimum Spanning Tree Problem.
实验结果表明，这种用遗传算法解决度约束的最小生成树问题是有效的。
Neural network method of feature input is employed, and simulation experimental results indicate that it is effective.
文中所采用的特征输入神经网络方法，通过模拟实验，取得了良好的效果。
The results show that it is effective and convenient to get rid of the Phosphorus from wastewater with porous sponge iron.
结果表明：海绵铁处理含磷废水效果明显，方便可行。
This result shows that it is effective to analyse and check the new property of E-commerce protocols by symbol model checker.
结果表明利用符号模型检验方法分析检验电子商务协议的新特性是行之有效的。
This paper analyses the mechanism of disturbance signal producing, and points that it is effective to adopt double screen technology.
文章通过分析干扰信号产生的机理，提出采取双屏蔽措施，经实际应用表明是行之有效的。
So it is effective on optimizing the path selection of wireless mesh network based on 802.11 and improving the performance of network .
因此，该参数对于优化基于802.11的无线网格网的路径选择，提高网络性能是行之有效的。
The results of the experiment show that it is effective to prevent hydrogen embrittlement failure by hardening and tempering treatment.
实验结果表明：进行调质预处理是防止氢脆失效较为有效的方法。
The method of the grey model solution is an approximate one, though it is effective, and can be applied in solving similar planning problems.
文中介绍的求解灰色规划解的方法是一种近似方法，但十分有效，可以应用于求解类似的规划问题。
And it is effective measure to improve level of financial administration and quality of accounting audit. It brings about scientific management.
而且也是改善财务管理水平和提高会计核算质量的重要措施，是实现科学管理的有效工具。
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