21的例句大全

The summer birds, resident birds, travel birds and winter birds are respectively 23, 21, 11, 2. The species of Palaearctic realm, widespread and Oriental realm are respectively 29, 22, 6.

夏候鸟、留鸟、旅鸟、冬候鸟分别为23、21、11、2种；古北界、广布种、东洋界鸟类分别为29、22、6种。

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En bloc resection of adjacent organs was performed fOr 21 times.

联合脏器切除21次，脏器损伤修补术5次。

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The major part of the inner integument is absorbed after about 21 days of the blooming date ( the cotyledon begin to differentiate within the first ten days of May).

开花授粉、授精后，珠被发育为种皮时，内珠被逐渐被吸收，大约在开花后2P天左右（5月上旬，子叶开始分化时），内珠被绝大部份被吸收。

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The results of in-situ measurement of the deflection of bonded prestressed concrete roof beams with a span of 21 meters in frame structure of a gymnasium after construction are presented.

某健身房跨度为21m的有粘结预应力屋面框架梁，在竣工后对其进行了挠度的实测。

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Results After 3~ 21 months, the hole closing rate was 92.54% ( 60 case in 62 eyes) with 5 cases nonclosed.

结果经3～21mo随访，裂孔封闭60例62眼，占92.54%，5例5眼未封闭。

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When proportion of breeding flock size is fixed, the population size enlarge every 5000, breeding profit and genetic gain will roughly increase 7.21% and 6.60% respectively, and breeding cost will decrease 22.97%.

在育种群规模比例固定的情况下，群体规模每扩大5000只，育种效益平均增加7.21%，遗传进展平均增加6.60%。

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Top performing sales professional with impeccable track record and 21 years in electrical equipment marketing.

以完美的专业销售名列前茅的历史记录,21岁的电气设备的销售.

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Nanotechnology has been advanced technology and fast developing field in 21 century.

纳米科技已成为21世纪人类发展最具前景的前沿技术.

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He scored a season-high 21 points Friday at Philadelphia.

在周五对费城的比赛中他砍下本赛季最高的21分.

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The distribution of electrostatic potential is quite uneven, so P 3 N 21 has a very high impact sensitivity.

晶体中点电荷静电势在各晶面上的投影分布很不均匀, 这可解释P3N21对机械撞击作用极度敏感的实验事实.

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In a consecutive season, he was the leading scorer with an average of 21.

在一个连续的赛季中, 他是得分王,平均得分是21分.

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The 21 century is a century of information. Information acquisition is a branch of information science.

21世纪是信息时代, 信息获取是信息科学的一个分支.

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The economic competition in the 21 st century is fundamentally talents competition.

二十一世纪的经济竞争归根结底是人才的竞争.

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One , 21 guns, Lay down your arms. Give up the fight.

二十一声炮响, 放下武器, 停止抵抗.

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The 21 th century is important period for the mankind.

对人类来说,二十一世纪是非常重要的时期.

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Prepare for lesson 21 & 22's dictation, please bring a red pen.

明天听写 第21-22 课的重点词语, 请带红笔.

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That represents a slight slowdown from 21% growth during the holiday week last year. But it compares favorably with an 8.8% rise in 2011 and just 6.5% in 2010, according to Bank of America-Merrill Lynch economist Lu Ting.Agence France-Presse/ Getty Images

但据美银美林（Bank of America-Merrill Lynch）经济学家陆挺说，今年的增幅高于2011年的8.8%和2010年的6.5%。

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Economists from all countries have a common idea that SMEs will be the main force of economic development in 21 century.

各国经济学家普遍认为，中小企业将是21世纪经济发展的主要推进力量。

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The incubation solutions were taken on days 1,7,14,21 and 28, and centrifuged 10 000r/ min at 40C. The supernature solutions were analyzed for Ca2+ and hydroxyproline.

分别于第1、7、14、21和28天取孵育液，10000r/min、40C离心，上清液作Ca2+测定和羟脯胺酸分析。

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It was dreamed up by Lizzie Durley, 21, who is studying international event management at Brighton University.

英国布莱顿大学21岁的大学生莉齐发起了这项疯狂活动，她目前在布莱顿大学攻读国际项目管理专业。

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