There is continuing debate as to how effective sunscreen is in reducing melanomas—the evidence is weaker than it is for preventing other types of skin cancer.
关于防晒霜是否能有效减少黑色素瘤，争议仍然存在——相较于预防其他皮肤癌，防晒霜能减少黑色素瘤的证据还不充分。
How effective these new rules will be depends on how they are interpreted.
这些新规则是否有效将取决于他们如何解释规则。
There's no consensus yet about how effective brain-training games really are.
脑力训练类游戏的效果到底有多好，目前还没有定论。
Pioneers like Sal Khan are already showing how effective online tools can be.
像开拓者萨尔可汗已经展示了在线工具的高效率。
It is unclear just how effective this prevention measure is without the addition of a repellent.
如果不喷洒蜱剂，该防护措施的实际效果，尚不明确。
Each plays a vital part in determining how effective the call to action is in directing the user.
在确定指导用户行动指引对于他们来说是多有有效时，每一部分都是要害。
The research also shows how effective "target hardening" (ie, self-protection against crime) can be.
研究也向我们展示“目标硬化”(即防范犯罪的自我保护)的高效性。
To see just how effective my tests are at exercising the code, I can check code coverage with Hansel.
为了看看上述测试在检验这块代码时效果如何，我可以用Hansel检查代码覆盖情况。
How effective are these various working groups that bequeath web service standards into the marketplace?
将Webservices标准引入市场的这些工作组的效率如何？
Stickk is a commitment contract website with a co-founder who has studied how effective the contracts can be.
Stickk是一个专门签订“承诺合约”的网站，有一个共同创办人，他会研究你合约的有效值。
I was honestly surprised by just how effective the Burrows-Wheeler algorithm was when I started empirical testing.
当我开始凭经验测试时，我实在惊奇Burrows - Wheeler算法的有效性。
If you choose to leverage memcached as your caching solution, I am sure you will see just how effective it is.
如果您选择使用memcached作为缓存解决方案，那么我敢保证您可以看到它的效率如何。
It can be the single biggest factor in how effective your designs are, and how happy your clients are as a result.
它可以是你设计表现效果以及你的客户乐意程度的最大单独因素。
To make the link, Dutch scientists looked at how effective the bodies of nine healthy volunteers were at processing sugar.
荷兰科学家们对九位身体健康的实验者进行调查，看看他们的身体是如何有效的进行糖类转化这一过程的。 他们可以从中找到一些关联。
A new report from the Center for Evaluation and Education Policy at Indiana University examines research into how effective this is.
最近一个来自印第安那大学教育评估和教育政策中心的报告调查了这些做法的有效性。
A MONTH of tramping around Europe has given your correspondent a chance to see how effective the new e-passports are at border crossings.
本刊记者漫游欧洲一月，借机了解了一下新的电子护照在边境口岸的使用效果。
One study saw participants asked to read an article offering ways to improve your mood, and follow one of the tips to see how effective it was.
一项研究让参与者阅读一篇关于如何改善情绪，然后让他们遵从其中一条建议，看这种建议的效果如何。
For example, you could provide a questionnaire to practitioners and ask them to gauge how effective they have been in adopting the new practices.
例如，您可以向从事人员提供一个调查问卷，以让他们评价采用新实践方式时的效率。
To measure how effective the acupuncture was, the researchers recorded how quickly each mouse pulled its sore paw away from a small bristly brush.
为了测量针灸生效的程度，研究者记录了每只小鼠将其“痛脚”从一个小型毛刷上脱开的速度。
WHO is in touch with public health authorities and clinicians in affected countries and is gathering information about how effective the drugs are.
WHO正在与受影响国家的公共卫生主管部门和临床医生们保持联系，收集这些药物效果的相关信息。
I thought I'd share this because it's an illustration of how effective these ideas are - and they've worked not only for me but for many of my reader.
我想我该分享这些，因为这些是上述理念如何发挥着高效的实例，并且它不仅成功运用于我自身还有我的很多读者。
Great as all this sounds, the trend towards online learning raises the question of just how effective online education is compared to traditional education.
这一切听起来都很不错，网络教育的这一转变趋势引出了下面这个问题，那就是网络教育跟传统教育相比有效性如何。
Once people around the country know how much illness is in their water, and how effective the filters are, I see silver filters becoming a household name.
一旦全国各地的人知道了有多少疾病是他们的饮水造成的，以及过滤器是多么地有效，陶罐过滤器就会家喻户晓。
Patterns in the data: the frequency of recurring patterns in the data determines how effective compression will be for a particular table space or partition.
数据中的模式：对于特定的表空间或分区，数据中重复出现的模式的出现频率将决定压缩的效果。
Have reportedly been selling well, but how effective they are in battling job market uncertainty in an environment that includes mass layoffs remains to be seen.
据报道这些卡的销量都很不错，可面对大幅裁员的大环境，这些卡片能否有效缓解人才市场的不靠谱，还须以观后效。
Have reportedly been selling well, but how effective they are in battling job market uncertainty in an environment that includes mass layoffs remains to be seen.
据报道这些卡的销量都很不错，可面对大幅裁员的大环境，这些卡片能否有效缓解人才市场的不靠谱，还须以观后效。
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