They suggest that genes on the X chromosome play a role in autism.
他们说x染色体的基因在自闭症中起着作用。
Next, click Play X, then click the center square to see something like Figure 6.
接下来，点击Play X 按钮，再点击中心格子，就可以看到如图 6 所示的画面。
The added RAM alone probably makes a huge difference — if you have ever added memory to a Mac you’ll know how much OS X loves it some extra gigs to play around in.
扩充的额外内存会有很大的不同——如果你曾经给Mac机添加过内存，那你应该知道这对提升MacOSX系统的效率是多么有效。
Conclusion The rational use of X-ray can reduce radiation hazards to a minimum, and play its role much better.
结论合理使用X射线能把辐射危害降低到最低限度，更好发挥其作用。
Chest X-ray films play important roles in diagnosis of diseases, observation of condition, usage of glucocorticoid and prognosis in the clinical practice of SARS.
胸片对SARS疾病的临床诊断、病情监测、疾病预后及疗效评价具有非常重要的意义。
Chest X-ray films play important roles in diagnosis of diseases, observation of condition, usage of glucocorticoid and prognosis in the clinical practice of SARS.
胸片对SARS疾病的临床诊断、病情监测、疾病预后及疗效评价具有非常重要的意义。
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