That could mean that fat in the diet may have a small effect, Dr. Rossouw said, perhaps in some subgroups of women or over a longer period of time.
这可能意味着饮食中的脂肪可能有小小的影响，罗斯博士说，也许在某些亚群或要一段更长的时间才有作用效果。
Alternatively, compute an effect measure for each individual participant which incorporates all time points, such as total number of events, an overall mean, or a trend over time.
选择计算总和了每个参与者全部时间点的一个作用指标，例如，事件的总数、总平均值或者时间趋势。
HHT has not been put forward for long time, so it contains some theoretical problems, such as envelop and mean curve fit, boundary effect, modes mix and so on.
HHT刚提出不久，其理论本身还存在不少问题，如包络线和均值曲线的拟合、边界效应和模态混叠等问题。
In the mean time, the bactericidal effect is compared with common bactericide according to national standard.
同时根据国标对比常见的杀菌剂进行了实验室杀菌试验。
In the mean time, the bactericidal effect is compared with common bactericide according to national standard.
同时根据国标对比常见的杀菌剂进行了实验室杀菌试验。
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