There's solid evidence that there are huge differences in the effectiveness of teachers.
有确凿的证据表明，教师的工作效率存在巨大差异。
The third bind concerns the effectiveness of aid.
第三个难题在于援助的有效性。
Report on the effectiveness of the control framework.
报告控制框架的有效性。
I'm always surprised by the effectiveness of this strategy.
相信我，这种方法的效果往往出乎你所料。
We look forward to the effectiveness of those measures.
我们期待着那些措施的效力。
Second, the effectiveness of milk standards.
牛奶标准的有效性。
How can you measure the effectiveness of social media efforts?
你该如何衡量社交媒体的效果呢？
A clear way to measure the effectiveness of these definitions.
一种清晰的测量这些定义有效性的方法。
But the effectiveness of the device is subject to much dispute.
但是这种装置的效果还有很大争议。
To review the effectiveness and operation of Costing Unit.
检讨讼费核算小组的运作及成效。
Until now, little was known about the effectiveness of this strategy.
迄今为止，人们对于这种策略的有效性还知之甚少。
An example is given to explain the effectiveness of this method.
并以实例说明了此方法的有效性。
The real key lies in the effectiveness of such contact and talks.
关键在于接触、会谈的效果。
Experiment results show the effectiveness of the new fusion rule.
实验结果表明新规则能取得更好的融合效果。
The purpose of its use is to improve the effectiveness of teaching.
使用课件的目的在于增强教学的有效性。
At last, the effectiveness of the method is proved through experiment.
最后通过实验验证算法的有效性。
What is most needed to increase the effectiveness of category management?
您认为改进品类管理有效性的最好的方法是什么？
There is little evidence of the effectiveness of these interventions at present.
目前，有关这些干预措施有效性方面的证据极为有限。
Finally, an example is given to demonstrate the effectiveness of this method.
最后通过一个算例说明了该方法的有效性。
The function optimization and knapsack problem show the effectiveness of PEA.
函数优化和背包问题实验验证了PEA的有效性。
How did you track the effectiveness of your new hybrid approach during the project?
那么在项目中，您是如何跟踪您这种混合方法的有效性的呢？
The researchers said both the safety and the effectiveness of the method was unclear.
研究人员表示该方法的安全性、有效性尚不明确。
It is hard to convince the old man of the effectiveness of the western medicine.
无法使那位老人相信这种西药的疗效。
Objective To evaluate the effectiveness of complex treatment of eye chemical burn.
目的探讨眼化学性烧伤综合治疗的效果。
There is also evidence that UV radiation reduces the effectiveness of the immune system.
还有证据表明，紫外线辐射可降低免疫系统的有效性。
As for the effectiveness of markets, this has surely not been called into serious doubt.
至于市场的有效性，当然还没有遭受严重质疑。
Finally the example demonstrated the effectiveness of the bottleneck analysis method.
最后通过算例分析，证实了该瓶颈分析方法的有效性。
Question: Is there good evidence on the effectiveness of melatonin for sleep problems?
问：有没有充分的证据证明褪黑素可以有效地解决睡眠问题？
The evidence of the effectiveness of a program focused on these factors is still unknown.
然而尚没有证据支持这个基于这些因素的计划的有效性。
The evidence of the effectiveness of a program focused on these factors is still unknown.
然而尚没有证据支持这个基于这些因素的计划的有效性。
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