The leaf area of two different grades branch is mainly proportion of total leaf area in different age period.

在顶坛花椒的不同年龄阶段，约两种左右枝级的叶片面积是植株总叶面积的主要组成部分。

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Another study conducted over a 23-year period examined three groups of people at three different life stages and concluded that emotional happiness grew with age, she said.

她说，另一个赶过23年的研究检测了三个差别生命阶段的三类人，并总结出激情幸福跟着春秋增进。

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The in hospital period basis different age trouble psychology characteristic, implements pointed nursing;

住院期间根据不同的年龄惠儿的心理特点，实施针对性的护理；

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However, what lingers most vividly in the memory is his affectionate, gently mocking and frequently moving evocation in the first third of the book of a period and a society that, though not long gone, seems now to be from an entirely different age.

ECONOMIST: English memoirs