retention 是什么意思
n. 保留;扣留,滞留;记忆力;闭尿
retention 记忆方法
1. re- "back" + tent- + -ion.
2. => hold back, keep back.
3. => continue keeping, keep possession of, keep in the mind.
retention 中文词源
retention 保持,保留,记忆力
来自 retain,保持,-ion,名词后缀。引申词义记忆力。
英语词源
retention (n.)late 14c., from Latin retentionem (nominative retentio) "a retaining, a holding back," noun of action from past participle stem of retinere (see
retention 权威例句
- 1. He argues strongly for retention of NATO as a guarantee of peace.
- 他强烈要求保留北大西洋公约组织以维护和平。
来自柯林斯例句
- 2. They supported the retention of a strong central government.
- 他们赞成保留一个强大的中央政府。
来自柯林斯例句
- 3. The company needs to improve its training and retention of staff.
- 公司需要改进对员工的培训和留用工作。
来自《权威词典》
- 4. They advocate the retention of our nuclear power plants.
- 他们主张保留我们的核电厂.
来自《简明英汉词典》
- 5. RETENTION parameter works best if the current undo tablespace has enough space for the active transactions.
- retention能做好地工作如果----当前的回滚表空间对活动事务有足够的空间.
来自互联网
retention 造句
- 1. High energy environment are not conducive to the retention of organic matter in muds.
- 高能量环境不利于有机物在软泥中的保存。
-- 来源 -- 英汉 - 辞典例句
- 2. This quantity describes the retention of particles in a porous substance.
- 这个参数描述阻留在多孔体中的微粒量。
-- 来源 -- 英汉 - 辞典例句
- 3. Since it inaugurated the College Retention Program, Aspira has not had to go it alone.
- 实行“大学助读计划”以来,埃斯皮拉并非单枪匹马地干。
-- 来源 -- 英汉 - 辞典例句
- 4. Shape retention is a factor in almost all articles made from polymeric materials.
- 形状保持性是所有聚合物材料制品共有的因素。
-- 来源 -- 英汉 - 辞典例句
- 5. The obvious reason for this is the retention of industrial effluents.
- 其明显的理由是,生物降解工业废水必须有足够的停留时间。
-- 来源 -- 英汉 - 辞典例句
- 6. This overall deterioration in soil structure is usually accompanied by a reduced nutrient retention capacity.
- 这种土壤结构的全面恶化,通常伴随着养份保持能力的降低。
-- 来源 -- 英汉 - 辞典例句
- 7. The combination of effects has been recognized as a major cause of fabric or yarn loss of strength or color retention.
- 联合作用,是织物和纱线强力下降以及色度损失的主要因素。
-- 来源 -- 英汉 - 辞典例句
- 8. The most important requirement is to achieve an adequate retention of the preservative within the wood.
- 木材防腐处理的一个最重要的要求,就是要使防腐剂吸收量达到适当指标。
-- 来源 -- 英汉 - 辞典例句
- 9. The primary purpose is retention of electrical insulation and low-loss properties after extensive exposure to water.
- 主要目的在于在强烈侵水后保持其电的绝缘性以及其他性能降低较少。
-- 来源 -- 英汉 - 辞典例句
- 10. One or more adjacent characters in a mask that cause retention of the corresponding characters.
- 掩码中的一个或多个相邻字符,使相应字符得以保留。
-- 来源 -- 英汉 - 辞典例句