The decay rate of the C-14 sample with its long half-life should be nearly constant during the short duration of the experiment.
在一个短实验周期里，具有较长半衰期的C 14样品的衰变速率应该是一个近似常数。
By varying the duration of prime material's presentation, Experiment 2 explored the influences of the encoding duration to the inhibitory mechanism in memory retrieval.
实验二通过设置不同的启动刺激呈现时间，探究了记忆编码的加工深度与精细化水平对记忆提取抑制机制的影响。
Result: The results showed shortened labor duration, alleviated pain of uterine contraction, and moderate volume of postpartum hemorrhage in experiment group.
结果：显示用药组产程缩短，宫缩痛减轻，出血量不增加。
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