According to the Object Management Group, UML 2.0 has thirteen different types of diagrams.
根据对象管理组织,UML 2.0有十三种不同类型的图。
But what makes the study so convincing is that it accounted for many possible factors and involved a large test group of over thirteen hundred children.
但真正使该研究令人信服的原因在于,它依据众多可行因素,并针对1300名孩童进行了大型测试。
Thirteen percent of patients using the mouthwash developed painful mouth sores that impaired eating, compared with 11 percent of those given ice chips and 33 percent in the placebo group.
使用漱口水的患者中有13%得了影响进食的痛性口腔溃疡,相比之下,冰片使用者有11%而安慰剂组有33%。
Thirteen years ago, researchers studied a group of 25 infants who showed signs of mild distress when exposed to unfamiliar stimuli such as an unusual odor or a tape recording of an unknown voice.
13年前,研究者研究了一组在受到不熟悉的刺激比如不寻常的气味和未知声音的录音时表现出轻微紧张的25名婴儿。
Thirteen years ago, researchers studied a group of 25 infants who showed signs of mild distress when exposed to unfamiliar stimuli such as an unusual odor or a tape recording of an unknown voice.
13年前,研究者研究了一组在受到不熟悉的刺激比如不寻常的气味和未知声音的录音时表现出轻微紧张的25名婴儿。
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