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objective to determine the menarche age among female students and the relation between body fat and menarche in anhui province to provide theoretical basis for adopting intervention measure and carrying out health education.methods probability unit regression were used to calculate mmas in 3 000 girls aged 9～18 years old,who were selected from 3 areas in 2005.results mmas were 12.76 and 13.11 years old for urban and rural girls respectively.the youngest age was 10.the menarche age was significantly,related with bmi sebum thickness of abdomen,sebum thickness of shoulder blade and the upper arm.conclusion there was significant relationship between menarche age and body fat.menarche age showed an ahead trend in han national students in anhui province.sex eduction should be conducted in advance,and it was important to strengthen sex education in adolescent.

目的 了解安徽省女生月经初潮及初潮前后体脂变化情况，为采取干预措施和健康教育提供理论依据。方法按照2005年全国学生体质调研要求，采用分层整群抽样方法，对安徽省南、中、北3个地区城乡9～18岁中小学女生3000人进行调查，并测量体质指数、腹部皮脂厚度、上臂皮脂厚度和肩胛下皮脂厚度4项指标。结果城市女生半数月经初潮平均年龄为12.76岁，农村女生13.11岁，城乡最小月经初潮年龄均为10岁。体质指数、腹部皮脂厚度、上臂皮脂厚度和肩胛下皮脂厚度4项指标均值来潮组均大于未来潮组，差异有统计学意义，p.01。结论月经初潮年龄与体脂因素关系密切；安徽省汉族学生月经初潮年龄呈现提前趋势，性教育应提前，加强青春期性教育尤为重要。

Culm sheaths with a triangular protuberance on higher shoulder, blade not narrowed at base.

有在更高的肩，叶片上的一个三角形的突起的竿箨不缩小在基部。

"Fe male s are usually called does, and male s bucks. Deer range in shoulder height from the 12-in.(30-cm) pudu to the 6.5-ft (2-m) moose."

南美短尾鹿属的种类肩高约12吋(30公分)，驼鹿可高6.5呎(2公尺)以上。

"Fe males are usually called does, and males bucks. Deer range in shoulder height from the 12-in.(30-cm) pudu to the 6.5-ft (2-m) moose."

南美短尾鹿属的种类肩高约12吋(30公分)，驼鹿可高6.5呎(2公尺)以上。

"Females are usually called does, and males bucks. Deer range in shoulder height from the 12-in.(30-cm) pudu to the 6.5-ft (2-m) moose."

南美短尾鹿属的种类肩高约12吋(30公分)，驼鹿可高6.5呎(2公尺)以上。

There was a thump at her shoulder and the sudden pungency of the charge going off.

她的肩头发出了"嘭"的一声，随后，子弹穿空而过的刺耳声消失了。

One of the two clapped his shoulder, said pungently:" Hello, Sheridan, we are haggling（= disputing） is whether the comer is more scoundrel or more obtuse."

一天，两个可恶的英国皇家公爵迎面碰上了议员谢里登，其中一个拍拍他的肩膀，尖刻地说："喂，谢里登，我们正在争论来人是更无赖些呢还是更愚蠢些。"

When the JAZZ HISTORY OF THE WORLD was over, girls were putting their heads on men's shoulders in a puppyish, convivial way, girls were swooning backward playfully into men's arms, even into groups, knowing that some one would arrest their falls—but no one swooned backward on Gatsby, and no French bob touched Gatsby's shoulder, and no singing quartets were formed with Gatsby's head for one link.

等到《爵士音乐世界史》演奏完毕，有的姑娘像小哈巴狗一样乐滋滋地靠在男人肩膀上，有的姑娘开玩笑地向后晕倒在男人怀抱里，甚至倒进人群里，明知反正有人会把她们托住——可是没有人晕倒在盖茨比身上，也没有法国式的短发碰到盖茨比的肩头，也没有人组织四人合唱团来拉盖茨比加入。

In recent years, with the housing price escalating, purchasing house makes residents shoulder a huge pressure.

近年我国商品住房价格持续高涨，对居民购房造成了巨大的压力。

"Swiss Army" brand pure linen hand-knit car upholstery selection of quality flax yarn Refining (National Fiber Inspection Bureau granted pure linen logo certification, awarded at the same time eco-fiber certification), the front seat and backrest have reached the width of 51 cm, the rear seat 135cm,尽显products fullness and style, each product shoulder and back seats of the fillet, at least in pursuit of greater curve over, smooth and soft, and the size of car seats more anastomosis.

"军瑞"品牌纯亚麻手工编织汽车座垫选用优质亚麻纱精制（国家纤维检验局授予纯亚麻标志认证、同时授予生态纤维认证），前排座位和靠背的宽度均达到51cm，后排大座135cm，尽显产品的丰满和气派，每款产品的靠背肩部与座位的圆角处更大限度地追求曲线过度、流畅与柔和，与汽车座椅的尺寸更加吻合。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。