But continent-wide reliable data on rape cases can be scarce.

但全非洲大陆范围内，关于强奸案的可靠数据很少。

Americans will now have access to reliable data on every institution of higher education.

大家可以看到每个学校的毕业生能挣到多少钱，他们毕业的时候有多少助学贷款，以及这个学校的学生还清贷款的比例是多少。

There isn't really any reliable data for what I'm about to say.

我下面要说的并没有任何可靠的数据。

Eventually, he rebuilt it, but the problems persisted, and then technology shifted with the advent of 3D imaging and reliable large data.

最终，他重建了它，但问题依然存在，后来随着 3D 成像和可靠的大数据的出现，技术发生了变化。

Until now there has not been a " reliable...data source about the levels of the abilities of people who would speak English."

到目前为止，还没有一个“可靠的… … 关于会说英语的人的能力水平的数据来源。”

The scientific method significantly reduces the opportunity for bias to interfere,   allowing for more reliable scientific data.

科学方法大大减少了偏见干扰的机会，从而获得更可靠的科学数据。

I'm pretty sure it recommended questionnaires as a source of 'highly reliable data'. As long as you design the questionnaire properly in the first place, the data will be fine.

我非常确定，推荐的问卷是有效数据的来源。只要一开始就设计出正确的问卷，数据不会有问题的。

This push for re-regulation is not because of any market failure or reliable data indicators, but, rather, because some shipping companies don't like the price they pay to railroads for transportation costs.

这种对重新监管的推动并非因为市场失灵或可靠的数据指标，而是因为一些航运公司不满意他们向铁路支付的运输成本。

However, because of problems of definition, which directly affect statistical measurement, it is not possible with any degree of certainty to provide precise, valid or reliable data about the extent of world-wide tourism participation or its economic impact.

然而，由于直接影响统计测量的定义问题，不可能提供关于全球旅游参与程度或其经济影响的准确、有效或可靠的数据。