retentions
英
美
(retention 的复数) n. 保持, 留置, 保留, 保持力, 保留物, 记忆, 停滞, 固位
[计] 保贸, 保持
retention的复数
双语例句
- The results showed that the elongation retentions after thermal oxidative aging of the blends cured with two different curing systems respectively were higher than 60%;
结果表明，两种硫化体系硫化的共混胶扯断伸长率保持率均在60%以上，都具有优异的耐热氧老化性能。 - The immediate test and the delayed test are used to check the incidental vocabulary learning gains and retentions. The learning-strategy questionnaire and the vocabulary-size survey help to differentiate learner's variable.
受试者词汇附带学习的保持情况由即时测试和延时测试来检验，而学习策略调查问卷和词汇量测试则用来帮助调查学习者自身因素对词汇附带学习的影响。 - Result: Water extract and ethanol extract both had retentions on CMSP;
结果：水提液和醇提液在心肌细胞膜色谱柱上均有保留行为； - On the same stationary phase, the retentions of solutes were strongest when acetonitrile was used in mobile phase. 2.
在同一固定相上，采用乙腈时，溶质的保留最强。 - The results of study express: ( 1) Among comprehensive water retention capacity of forest ecosystem, water retentions in soil and litter layers account for the most proportion. Soil non-capillary porosity plays the key role in the determination of water retention capacity of ecosystem.
结果表明：（1）森林生态系统综合水源涵养能力中土壤系统和枯落物系统涵养水源量占了绝大部分比例，土壤非毛管孔隙对森林水源涵养能力具有决定性作用。 - The external tags including nose label, fin clip, binding card and branding mark are provided with the advantages of simplicity, easiness and low cost, but their retentions are comparatively lower.
外标法主要包括鼻签、剪鳍、挂牌、烙印等，具有简便易行、成本较低等优点，但标记的保留率相对较低； - As temperature raised, retentions of all solutes decreased gradually on diol silica column, while had a different variation trend in aminopropyl and δ-glucolactone bonding silica column.
随着温度的升高，在二醇硅胶中，溶质保留均降低；而在氨丙基硅胶和δ-葡萄糖酸内酯键合硅胶中，各个溶质表现出不同的变化趋势。 - In the last several decades, with the development of the global automobile industry, the yield, sale quantity and retentions quantity of the automobile is increasing year by year, the countries all over the world face the two serious problems-energy safety and environmental protection.
近几十年来，随着全球汽车工业的发展，汽车的产量、销售量和保有量在逐年增加，世界各国都一直面对着能源安全与环境保护的两大挑战。 - Then the retentions of several alcohols on the GC stationary phases were predicted.
进而预测了各种醇在气相色谱不同固定相中的保留值。 - Which mode will better promote vocabulary retentions? Two classes of junior high school students in Grade 7 ( 100 in total) are selected as subjects of the experimental study and two groups of English words ( 7 per group) are chosen as materials for the experiments.
实验选取了初一两个班级共100名学生为受试者，两组词汇共14个英语单词为实验材料。