In these years, hyperthyroidism has an increasing incidence and the age of onset becomes younger.
近年来, 甲亢的发病率呈现明显上升的趋势,且发病年龄也趋向低龄化.
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It is significant for phenomenon of creations at the turning of centuries.
“低龄化写作”现象是世纪之交中国文坛的一大景观.
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It is significant for phenomenon of creations made by children at the turning of centuries.
“低龄化写作”现象是世纪之交中国文坛的一大景观。
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目前我国人工流产妇女呈现出低龄化变化、未婚、未产、流动人口比例升高、重复性人流率的逐年升高的特点。
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