13的例句大全

The natural enemies of maize aphids were studied in Shenyang from 1980 to 1991. The result showed that there were 13 species insects in Hexapoda, 2 species in Arachnoidea and 1 species in fungus.

1980～1991年研究表明，沈阳等地玉米田蚜虫天敌有昆虫纲13种，蜘蛛纲2种，真菌1种。

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Gas chromatography analysis indicated that the hydrolyzed polysaccharide contains arabinose, mannose, glucose and galactose. Their mole ratio is 0.8:4:13.4:3.4.

气相色谱法分析虎掌菌多糖的单糖组成实验结果表明虎掌菌多糖水解后含有阿拉伯糖、甘露糖、葡萄糖、半乳糖，摩尔比为：0.8：4：13.4：3.4。

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The lower temperature of powder hot pressing process restricted or reduced the reaction between the quasicrystalline particle and metal matrix. Except the reaction product of quasicrystalline approximant Al_ 13 Fe_4, there was the oxidation of MgAl_2O_4 on Al_ 63 Cu_ 25 Fe_ 12 particle edge.

粉末热压复合过程中的较低温度限制或减缓了准晶颗粒与基体金属之间的反应，反应层的反应产物除了准晶类似相Al13Fe4外，还存在一定的MgAl2O4氧化物。

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Methods: Eight patients, aged 14-52 ( 31 ± 13) years, had severe hypertension and significant aortic stenosis.

方法：8例患者，年龄14～52（31±13）岁，均有严重的高血压、主动脉明显狭窄。

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Postoperative care of 13 patients undergoing total aortic arch replacement

13例全主动脉弓替换术患者的术后护理

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For clusters of 13 nd 25 sites with the special shape, the numerical results show that their GS are respectively 6-fold and 8-fold degeneracy ( while the GS of macroscopic antiferromagnet is singlet).

通过计算含有13个格点和25个格点的双组分海森堡反铁磁团簇，结果表明它们的基态分别是6重和8重态（而宏观反铁磁系统的基态是单态）。

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Reports of anti-social behaviour dropped every year from 937 in 2009/ 10 to 485 in 2012/ 13.

关于反社会行为的报道从2009~2010年的937例下降到2012~2013年的485例。

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Compared with the early observing stage ( Feb.18 to 25), the Anser indicus left the roosting area around 20 minutes earlier and came back 10 to 25 minutes later at the late stage of observing ( Mar.7 to 13).

观察后期（3月7~13日）与观察前期（2月18~25日）相比，其飞离夜栖地的时间提前约20分钟，而从觅食地飞回夜栖地的时间则要晚10~25分钟。

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The control group has 13 erosion and 17 in atrophy.

对照组中糜烂型13例，萎缩型17例。

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Anticipating the Chinese& ASEAN free trade area, the ASEAN will increase USD 13,000,000,000 to the Chinese export, increasing as 48%.

预计中国&东盟自由贸易区建成后，东盟对中国的出口将增加130亿美元，增幅为48%。

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Clinical characteristics of 13 ICU patients with probable invasive pulmonary aspergillosis

ICU患者临床诊断侵袭性肺曲霉菌病13例

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RSV genes in nasal aspirates from 13 patients were amplified and identified by Southern Blot Hybridization.

13例患者鼻咽分泌物中的RSV基因得到扩增，并经Southern印迹与斑点杂交证实。

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Study of the assignment on the~ ( 13) c-nmr spectra of atactic polypropylene stereoisomers

无规聚丙烯~（13）C-NMR立构序列归属的研究

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Car B on-13 NMR study of chlorinated atactic polypropylene

~（13）C核磁共振研究氯化无规聚丙烯的结构

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Serum bone Gla protein ( BGP) was measured in 67 patients with chronic renal failure ( 12 patients with azotemia, 55 patients with uremia) and 13 patients undergoing renal transplantation.

测定了67例慢性肾功能衰竭患者（氮质血症12例，尿毒症期55例）和13例肾移植患者血清骨钙蛋白（bone Gla Protein，BGP）水平。

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13 cases ( 81.2%) of the 16 patients had good outcome according to TIMI 0~ I.

13例患者（812%）为好结果。

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13. Fake Listening: You pretend to be giving close attention. You toss in a few nods and yeses at the right moments, you hope.

13、佯装式聆听：你假装在注意听；还期望自己在恰当的时刻能够点头附和。

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Triterpenoid Compounds of Prunella genus and Their Features of~ ( 13) C NMR Spectroscopy

夏枯草属植物三萜类化学成分及~（13）c NMR波谱特征

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Integrate multi-feature to divide all samples into 13 subclasses after the discussion of the diversity of audios, and the accuracy can reach 85% without any prerequisites of type-information. 2.

之后讨论了小类声频的多样性，并融合了多种特征进一步将所有声频样本分为更为细致的13小类，在无任何类别信息的先决条件下，分类正确率最高可达85%。

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Its attrition rate has doubled in five years to 13.7 per cent in 2006-07.

该公司的员工流失率在5年中增长了一倍，在2006年至2007年年度达到了13.7%。

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