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。
It is effective in teaching any alphabetical language to Brazilians.
它可以有效地向巴西人教授任何字母语言。
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。
It is effective with hepatitis B.
这是B型肝炎有效。
但这种方法是有效的。
New market can prove it is effective.
新市场能够证实它是有效的。
Experiment results show that it is effective.
实验证明该算法是行之有效的。
And, when it is effective, not very satisfying.
而当它是有效的，不是很满意。
The result shows it is effective in data mining.
实验表明，这种数据挖掘是有效的。
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 is effective and safe and can be used widely.
安全有效可临床推广应用。
It is not pleasant to look at, but it is effective.
这不是愉快的样子，但它是有效的。
It is effective, but mercury vapour is extremely toxic.
这种方式非常有效，但是汞(即水银)蒸气却含有剧毒。
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。
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。
Through the simulation and algorithm analysis, we prove it is effective.
通过实验模拟和算法分析，证明这是有效的。
Conclusions: It is effective and safe for treating the wet heat type acne.
结论：清热利湿法是治疗湿热型痤疮的安全有效的方法。
It is effective to take some medicine to relieve the symptoms of the cold.
服些药来减轻感冒症状是很有效的。
For reducing the work noise, it is effective, to lower the work frequency.
为了减小工作噪音，降低工作频率是有效的。
It is effective to retrieve the construction payment through legal process.
借助于法律手段回收工程拖欠款往往是较为有效的途径。
It is effective to cultivate students' prosocial behavior in physical education.
在体育教学中培养学生亲社会行为是有效的。
It is effective to clean photo-mask in less than 10 minutes under the dry process.
其可在小于10分钟内有效的清洁光罩在乾燥制程下。
It is effective to wash its tube pass with some solution and its shell pass with acid.
为此，配制一定浓度的溶液分别对表面冷凝器壳程进行药洗、管程进行酸洗，取得了良好效果。
Therefore, it is effective to control the error propagation during the matching process.
这样在配准过程中就可以有效地控制错误的传播。
Experimental result shows that it is effective and objective to the software estimation.
实例结果证明，该方法能客观有效地度量软件功能规模。
It is effective for the curricula building and teaching of the programmable logic controller.
该实验台在可编程序控制器的课程建设与教学中取得了很好的效果。
It is an effective treatment and could cure all the leprosy sufferers worldwide.
那是一种有效的疗法，可以治愈全世界的麻疯病患者。
It has been demonstrated that this drug is effective.
这药已证实是有效的。
It has been demonstrated that this drug is effective.
这药已证实是有效的。
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