retention是什么意思？

retention

英[rɪˈtenʃn] 美[rɪˈtɛnʃən]

• n. 保留，记忆力，保持力，滞留，扣留，闭尿；

例句

• The symptoms tend to get worse progressively and culminate in retention. 症状逐渐加重,重者可引起尿潴留.
• 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.
• They advocate the retention of our nuclear power plants. 他们主张保留我们的核电厂.
• 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。
• Its moisture retention, hygroscopicity and antimicrobial activity were investigated. 研究了它的吸湿性 、 保湿性及抗菌性能.
• 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。
• The test result of strength retention of alkali - resistant glassfiber in alkaline environment was introduced. 介绍暴露在水泥碱性环境中的耐碱玻璃纤维的强度保持率的测试结果.
• This would imply retention of a small expeditionary force. 这意味着需要保留小规模的远征军.
• Objective To increase the retention and stability of traditional removable partial denture. 目的:改进常规可摘局部义齿设计的不足,增进固位、稳定.
• They supported the retention of a strong central government. 他们赞成保留一个强大的中央政府。

柯林斯高阶英汉双解学习词典释义

• N-UNCOUNT
  保持;保留
  The retention of something is the keeping of it.
  例句
  They supported the retention of a strong central government. 他们赞成保留一个强大的中央政府。

英汉词典释义

• n.
  挡住, 拦阻; 保持, 保留, 容纳
  They advocate the retention of our nuclear power plants. 他们主张保留我们的核电厂。

英英词典释义

• Noun
  1. the act of keeping in your possession
  2. the power of retaining and recalling past experience;
  "he had a good memory when he was younger"
  3. the power of retaining liquid;
  "moisture retentivity of soil"

行业词典

• 化学： 保留；
  医学： 保持，保留：保持在位或保持在一个地方或位置的活动或过程；潴留，停滞：正常应排出体外的物质在体内持续保留；固位〔作用〕：窝洞准备中防止修复体移位；固位〔期〕：正牙治疗中的一个期间，在此期间患者佩戴矫正器以便使牙齿保持或稳定在其移入的位置中；
  心理学： 保持；
  药学： 固位；
  金融： 自留额；利润或收益留存；