21的例句大全

Amorphous metal material is a kind of new function material of 21 century.

非晶合金是21世纪的新型功能材料.

On July 21, 1998, a bad accident happened to Sang Lan, a famous Chinese sports girl.

1998年7月21日, 一场严重的意外事故发生在桑兰, 这位着名的中国女运动员身上.

Learning Russian won't hurt . Bill Clinton wanted to build a bridge to the 21 st century.

前总统比尔-克林顿也曾想过要搭建一座通往21世纪的桥梁.

Since the 21 st century, people are worried about the efficiency of the expenditure on basic education.

进入二十一世纪以来, 基础教育财政支出的效率问题一直受到人们的普遍关注.

In the 21 th Century, People pay more attention to moral education.

进入21世纪, 人们对道德教育给予了更多的关注.

Methods 40 patients, 19 males and 21 females, with cleft lip and alveolar process only were included. The age range of the patients was from 8 to 33 years with the mean age of 13.8 years when the alveolar bone grafting was performed.

方法40例单侧唇裂合并单纯牙槽突裂患者（19男，21女），手术进行时患者的平均年龄为13.8岁，年龄范围8至33岁。

The avulsed skin regrafted in situ using traditional methods was done in the control group ( 21 cases).

对照组21例，应用传统的方法将撕脱皮肤原位游离植皮。

Development of New Variety of Avena Nuda Huazhong 21 by Adopting Anther Haploid Breeding Method

采用花药单倍体育种方法育成花中21号莜麦新品种

On the basis of the experiment, the first new variety of Avena Nuda Huazhong 21 in the world is bred by using anther haploid breeding technique.

在此基础上育成了世界上第一个采用花培单倍体技术培育的莜麦新品种花中21号。

The research indicates that the explanation power of MTR to capital structure is 0.9% and the explanation power of all the available variables to capital structure is 21.3%.

研究显示，边际税率对资本结构的解释能力为0.9%，所有目前可获得的变量对资本结构的解释能力为21.3%。

Results 21 of 75 hemiplegic patients had agnosia or apraxia and the positive rate was 28%.

结果75例偏瘫患者有21例存在失认或失用，阳性率为28%。

Aurum is existed mainly as inclusion aurum, cranny aurum and crystal defect aurum. Gold minerals are mainly in medium-coarse-grained, and is 91.21% of the acreage ratio.

金的赋存状态为包裹体金、裂隙金和晶隙金，金矿物主要以中粗粒以上颗粒为主，占面积比的9121%。

The average error rate is 1.21 percent and the maximum error rate 2.73 percent, the accuracy of imitation is very high.

对全国总人口序列采用柯布&道格拉斯函数模型进行增量序列拟合建模，在中间变量层次中揭示出周期性变化规律，拟合效果极显著，平均误差率1.21%，最大误差率2.73%，拟合精度极高。

At three hours and 21 minutes, it is an over-long, standard Hollywood epic.

这部影片长达3小时21分钟，是部超长的标准好莱坞式史诗电影。

Clinical analysis of 21 cases of interrupted aortic arch

主动脉弓离断21例临床分析

The most frequent manifestations at disease onset were oral aphthae ( 66.8%) and erythema nodosum ( 21.5%), followed by genital aphthae, arthralgia/ arthritis and inflammatory ocular disorders.

最常见的首发症状为口腔溃疡（66.8%）和结节红斑（21.5%），其次为生殖器溃疡、关节炎/关节痛及眼部病变。

Meanwhile, says Dr. Arnett, 'It pays to relax and not panic because your 21-year-old or even your 26-year-old doesn't know what he or she is going to do. Almost nobody still has that problem at 40 or 50. We all figure it out eventually.'

与此同时，阿内特说，“不要因为你21岁甚至26岁的子女不知道自己要做什么就感到惊慌，放松心情才有好处。几乎没有人到40或50岁的时候还存在这个问题。我们大家最终都会想明白这个问题的。”

Methods 21 children with High functioning autism ( HFA), 54 children with Asperger syndrome and 70 normal controls ( NC) were examined by using Theory of Mind Task.

方法应用表情识别和虚假信念课题分别对21例高功能孤独症（HFA）儿童、54例AS儿童和70名正常健康儿童进行测试。

Meanwhile, says Dr. Arnett,' It pays to relax and not panic because your 21-year-old or even your 26-year-old doesn't know what he or she is going to do.

与此同时，阿内特说，不要因为你21岁甚至26岁的子女不知道自己要做什么就感到惊慌，放松心情才有好处。

She is Wang Ju, a contestant on the ongoing reality music competition show Produce 101, which premiered on Tencent Video on April 21.

她就是现正热播的真人音乐竞赛类节目《创造101》中的选手王菊，该节目于4月21日在腾讯视频首播。