首位的

China was one of Pyrus genus provenances,Chinese pear played an important role in fruit production.Genetic linkage map of pearPyrus L.

我国是世界梨属植物的起源中心之一，梨树的栽培面积和产量均居世界首位，丰富的种质资源对于定位和克隆一些重要性状的基因及梨树分子遗传育种和种质改良具有重要的意义。

Based on a sample of 272 primary students in grade 3~5, their social status, self-awareness and social anxiety were assessed by method of questionnaire and sociometric measurement.

在小学生的价值体系中，同伴关系被列在首位，并以他们的社会性认知、自我概念、人格及情感发展的独特价值得到了小学生们广泛的认可[1]。

Reform and opening up, China's rapid development of the aerospace industry, China is now in the history of a glorious page. In 2003, the successful launch of Shenzhou V, Yang uncle realized the dream of the Chinese nation to fly the Millennium; in 2008, China's first lunar exploration satellite "Chang'e I" flew up into space, to the moon, and Chang'e Yutu visit; the same in 2008 years, the Shenzhou VII launch翟志刚to become the first history of China's spacewalk astronauts.

改革开放，使中国的航天事业迅速发展，中国在历史上刻下了辉煌的一页。2003年，神舟五号发射成功，杨利伟叔叔实现了中华民族的千年飞天梦；2008年，中国的首颗探月卫星&嫦娥一号&飞上太空，到月球上去拜访嫦娥和玉兔；同样是2008年，神舟七号升空，翟志刚成为中国历史上首位进行太空行走的宇航员。

Zoic traditional Chinese medicine (Shuizhi, Dilong, Quanxie, Tubiechong) is possible to the head selection medicine to confect the iontophoresis of Chinese medicine which detumescence and acesodyne, remove the blood and silt.

1、动物类中药(水蛭、地龙、全蝎、土鳖虫)的无机元素含量相当丰富，尤其Na、Ca、Mg的含量在各类中药中居首位，可作为消肿止痛、活血化瘀中药离子导入液配制的首选用药；枝叶类和矿石类中药分别含有大量的Mn和S，可作为治疗骨与软骨损伤中药离子导入液的首选用药。

In the first place, let the preacher above all be careful to avoid many kinds of or various texts and forms of the Ten Commandments, the Lord's Prayer, the Creed, the Sacraments, etc., but choose one form to which he adheres, and which he inculcates all the time, year after year.

摆在首位，让布道者上述所有小心，以避免许多种或不同的文本和形式的十诫命，主祷文，信仰，圣礼等，但选择的形式之一，因为他坚持，和他inculcates所有的时间，年复一年。

LOS ANGELES - Pop princess Britney Spears, aided by a publicity blitzkrieg, steamrollered to number one on the music charts on Wednesday, while a new album by scandal-plagued Michael Jackson failed to make the Top 10, the Nielsen Soundscan sales tracking service said.

洛杉矶――流行天后&小甜甜&布莱尼，闪电般推出自己的新专辑，一举就夺得周三音乐排行榜的首位而饱受丑闻困扰的流行天王迈克尔。杰克逊的新专辑竟然没打入十强。这是尼尔森唱片销量调查机构公布的结果。

School was still a priority at the time (Biggs' modeling career was originally intended to pay for college) and classes and homework came first.

上学在当时仍然是最重要的事情（比格斯的模特事业原来的目的是为了付上大学的学费），而课程和作业被放在首位。

In order to solve this difficulty, the cabalists point out, in the first place, that one perceives in the accidental things of the universe not only their existence, but also an organic life, which is the unity in the plurality, the general aim and end of the individual things that exist only for their individual aims and ends.

为了解决这一难题，但cabalists指出，摆在首位，其中一个感觉，在偶然的东西，宇宙不仅是他们的存在，而且是一个有机的生命，那就是团结，在多元，总的目的和年底个人的事，只存在对他们的个人目标和目的。

The chattiest of all are Puerto Ricans, who have by far the highest monthly average in the world of 1,875 minutes, probably because operators on the American island offer all-you-can-talk plans for only $40, which include calls to the mainland.

1875分钟的通话时间位居世界首位，这可能是因为这里的运营商提供花费仅为40美元的包月服务，想怎么打就怎么打，包括拨往美国的电话均不再收取费用。

The chattiest of all are Puerto Ricans, who have by far the highest monthly average in the world of 1,875 minutes, probably because operators on the American island offer all-you-can-talk plans for only $40, which include calls to the mainland.

最爱打电话的是波多黎各人，以月均高达1875分钟的通话时间位居世界首位，这可能是因为这里的运营商提供花费仅为40美元的包月服务，想怎么打就怎么打，包括拨往美国的电话均不再收取费用。

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。