青春期

Yi nation-ality girls'mean age at menophania tends to occur later,the optimum time to carry out the puberty hygiene education would be grade three on junior middle school.

云南大姚彝族地区中学生月经初潮年龄较晚，实施青春期健康教育的最佳时机应在初中三年级。

Methods: one-hundred adolescent maiden with various menstrual disorders were divided into three groups: group a (38 cases with oligomenorrhea), group b (28 cases with secondary amenorrhea), and group c (36 cases with dysfunctional uterine bleeding). age-matched control group included 32 patients with regular menstruation.

100例青春期月经异常的患者，按不同月经模式分为a、b、c 3组，即月经稀发者38例，继发闭经者26例，功能性子宫出血者36例。32例正常月经、年龄相似的少女为对照组。

Introduction Acne is a very common skin disease of adolescence characterized by an inflammation of pilosebaceous follicles.They usually localizes on the face,more often cheeks and forehead,on the chest and back.

前言 痤疮是皮肤科的一种常见疾病，好发于青春期，是毛囊皮脂腺的慢性炎症，常发生于面颊、额部、胸部、背部。

Branchlets mostly pubescent; leaves on mature trees pinnately lobed or pinnatipartite; male inflorescences 7-30(-40) cm; fruiting syncarp 8-15 cm in diam.

小枝主要青春期；成年树的叶羽状浅裂或羽状深裂；雄花序7-30(-40)厘米；合心皮果8-15厘米直径 2 A 。 communis 面包树

Plexiform neurofibromas can appear at any age, but they usually begin to show up in late childhood or early adolescence.

它可能会在任何年龄发生，但通常发生在儿童期后期或青春期前期。

The degree of hearing loss is moderate to severe, and more pronounced in high frequency. Classically the goiter appears in mid-childhood, but is often postpubertal.

听力损失多为中度至重度，以高频较为严重，甲状腺肿多发生在青春期之后。

These tumors, to date, have occurred over a wide age range in postpubertal females, are characteristically unilateral, and confined to the ovary at presentation.

到目前为止，这些肿瘤发生于青春期后期女性的一大段年龄范围内，特征性地出现于单侧，仅发生于卵巢。

Our study showed that the exposure to PCBs/PCDFs in utero by the female Yucheng adolescents did not have remarkable effects on their pubescent and postpubescent development of reproductive and endocrine functions.

我们的研究显示油症少女虽在胚胎期暴露到多氯联苯/多氯夫喃，但此暴露对她们在青春、后青春期的性徵发育及内分泌功能的影响并不显著。

However I did receive some complaint refer tothat it is hard to control the precess whenthe machineis running.

这大概是我18岁的日记，青春期的躁动，让我对神圣的爱情产生无与伦比的幻想与憧憬。

Methods:56 prepubertal Sprague-Dawley rats were randomly divided into 2 groups, 28 rats in each group.

将56只青春期前SD大鼠随机分为假手术组和扭转组，每组28只。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐