21的例句大全

Some relevant experimental results of 14 inch and 21 inch TV tubes ( TVTs) and 21 inch color monitor tubes ( CMTs) equipped with inner yoke are presented.

给出了14英寸和21英寸电视机（TVTs）用以及21英寸彩色监视器（CMTs）用内偏转管的分析测试结果。

Results: Of the 820 patients, 21 cases suffered from acute gastritis, the incidence of which was 2.6%.

结果：海洛因依赖者脱毒期间有21例并发急性胃炎，发病率为2·6%。

Therapeutic Evaluation of 21 Cases Lumbosacral Tuberculosis of Spine

腰骶椎结核21例治疗的临床评价

And the living space per rural resident grew from 21 sq m to 24.2 sq m.

农村居民人均居住面积由1995年的21平方米提高到24.2平方米。

The expectation of the development of space physics in 21~ ( th) Century

21世纪太空物理学发展瞻望

Thermo-chemical Treatment with Pure Heat Diffusion Penetration will be Replaced by Other Types of Energy Aided Diffusion Penetration in the 21~ ( st) Century

21世纪化学热处理将由其它能助扩渗代替纯热扩渗

Reaction yield, as 80%, is 21% higher than the step by step way, which is 59%.

收率为80%，与逐步法相比（69%×85%）收率提高21%。

Methods The brachial artery responses to reactive hyperemia ( flow mediate vasodilation, FMD) were evaluated in 28 patients with KD during acute phase and 21 patients after KD and 20 matched healthy subjects.

方法：超声评价28例急性期及21例恢复期川崎病患者与20例健康对照者的肱动脉血流介导的扩张反应。

To meet the requirements of high compunication in 21 century and to solve a variety of limitations existed in today's electrical interconnection and information processing technology, optical interconnection and optical computing have become more and more attractive.

为了适应21世纪高度信息化社会的需要，解决目前电子系统中电互连和信息处理技术带来的种种局限，光互连与光计算已成为跨世纪引人注目的话题。

Intrafusal and extrafusal fibers of soleus muscles in the rat were examined histochemically for their activity of acetylcholinesterase ( AChE) and succinic dehydrogenase ( SDH) in 7 d, 14 d, 21 d tail suspended groups and control groups.

实验分为尾部悬吊7d、14d、21d组及相应的同步饲养对照组。以琥珀酸脱氢酶（SDH）确定肌型，检测不同类型梭内外肌纤维乙酰胆碱酯酶（AChE）活性。

Inter-Disciplinary Research and the Development of Gerontics in the 21~ ( st) Century

跨学科交叉研究与21世纪老年学的发展

After desalting and changing buffer, the crude kinase was incubated at 21 ℃ overnight and demonstrated a high autocatalytic cleavage activity. This investigation would be able to lay a foundation for enterokinase activity research and farther application of expression products on a large scale.

该粗酶经脱盐后在适宜的缓冲体系中21℃温育过夜，显示出较高的自催化切割活性，为进一步进行重组牛肠激酶活性的研究及应用奠定了基础。

Dendrolimus punctatus has 2-3 generations a year in Fujian, 1 and 2 instar larvae takes food in groups, imago is active in the day and keeps quiet at night and the active peak time is 21:00 to 23:00, and imago has a high phototaxy.

马尾松毛虫在福建一年发生2-3代，其1龄和2龄幼虫群集取食，成虫昼伏夜出，以2l：00-23：00时活动最盛，趋光性强，雌蛾产卵量平均为193粒。

Prospects for Competitive Sports In 21 th Century By Scientists

科学家展望21世纪竞技体育

Lk. 21:18 Yet a hair of your head shall by no means perish.

路二一18然而你们连一根头发，也绝不会损坏。

Methods Twenty six patients with COPD and 21 healthy subjects were involved in the study. The rest energy expenditure ( REE), oxygen consumption ( O_2), carbon dioxide production ( CO_2) and respiratory quotient ( RQ) were measured with indirect energy measurements of canopy test;

方法用canopy法间接测定26例COPD患者和21例健康对照者的REE、氧耗量（VO2）、二氧化碳产生量（VCO2）及呼吸商（RQ）。

Prices have climbed by 21% since the beginning of the year

年初以来，物价已经上涨了21%。

The system had ran for 21 months and 15400 datas were got.

系统共运行21个月，获得15400多个数据。

In developed economies the average investment ratio is 21%.

在发达国家，平均的投资比例是21%。

The hope is that the success of COP 21 opens the door to future international agreement on carbon prices.

希望联合国气候变化大会的成功，将开启未来有关碳价格的囯际协议之门。