The next step is to design a prospective study so that we can see if these observed differences are actually real.
下一步需要设计一项前瞻性调查，这样我们就能知道是否真的存在这些观测到的差异。
In a prospective study, participants are followed over time (e.g. across five years), and baseline information is compared with later follow-ups.
在前瞻性研究当中，参与者在一段时间内(例如持续五年)被跟踪调查，基线信息会与后续的信息相比较。
This kind of study, called a prospective study, is considered more accurate because it does not require people to remember their cell phone use later but tracks it in real time.
这种所谓的前瞻性研究可记录到实际的使用手机时间，比凭记忆估计得到的使用手机时间结果更准确。
Study DESIGN: a prospective study was performed.
研究设计：前瞻性研究。
Maternal intake of fat in pregnancy and offspring metabolic health - a prospective study with 20 years of follow-up.
孕妇孕期脂肪摄入与后代代谢健康-20年随访的前瞻性研究。
However, he acknowledged that a prospective study was needed to take a closer look at MR results from zero to six weeks.
然而，他承认需要前瞻性研究以进一步了解术后零到六周内的MR结果。
The influence of contrast material on renal venous renin activity was evaluated in a prospective study of 20 hypertensive patients.
我们对20例高血压患者作了前瞻性研究，以评定造影剂对肾静脉肾素活性的影响。
Serial dopamine transporter imaging of nigrostriatal function in patients with idiopathic rapid-eye-movement sleep behaviour disorder: a prospective study.
连续多巴胺转运蛋白显像与特发性快动眼睡眠行为障碍患者的黑质纹状体功能：一项前瞻性研究。
Study Design. A prospective study.
研究设计：前瞻性研究。
A prospective study of postpartum depression: biological and psychosocial factors.
产后抑郁的有关心理、社会和生物学因素研究。
A prospective study was done of serum calcitonin levels in 61 patients with bronchogenic cancer.
我们对61例支气管癌患者血清降钙素水平作了前瞻性研究。
A prospective study in a suburban children's hospital published in 2007, showed that 87% of the cases during the study period were bacterial.
在2007年发表的来自于一个郊区儿童医院的前瞻性研究结果表明，在研究期间，87%的情况下为细菌性的。
A prospective study in a suburban children's hospital published in 2007, showed that 87% of the cases during the study period were bacterial.
在2007年发表的来自于一个郊区儿童医院的前瞻性研究结果表明，在研究期间，87%的情况下为细菌性的。
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