before-and-after是什么意思 before-and-after在线中文翻译

before-and-after

before-and-after 双语例句

  1. This study was a preplanned secondary analysis of a before-and-after interventional study conducted at a large urban ED.
    方法这次研究是预先计划好的的二级分析,对象是在一家市级大型医院急诊科进行的前后干预实验。
  2. Second, Bark wavelet transform is used, which is more suitable to human ears'auditory system, to give the before-and-after voice speech sound analysis.
    其次采用了与人耳听觉系统特性更为适应的Bark子波变换方法对增强前后的语音进行分析。
  3. Before-and-after measurements show a ballooning of the students'weight, waist, fat, and liver enzymes.
    随后的测量显示学生的体重量,腰部,脂肪和肝酶迅速增加。
  4. The comparison between the computation results of vibrating intensity of before-and-after improving designs shows that the improved diesel engine vibration, especially the vibrating level of the crank case, makes obvious improvement, which achieves low-vibration design goal of the body.
    改进设计前后的振动烈度计算结果对比表明,改进后的柴油机机体振动,特别是柴油机机体裙部的振动水平得到了明显的改善,实现了机体的低振动设计目标。
  5. The author analyzed the tariff adjustment of U. S. horticultural products before-and-after Uruguay negotiation, so as to issue some suggestions on China's tariff policy about horticultural products.
    笔者对乌拉圭回合前后美国园艺产品关税调整的动向进行了研究,以期对我国园艺产品的关税调整提供一定的政策建议。
  6. Based on the discount model, this paper confirms different discount rates of before-and-after virtual divestiture through ways, such as analogy.
    以贴现模型为基础,首先利用类比法等方法确定了资产剥离前后的不同折现率,然后分析了实质性资产剥离前后的净现金流量。
  7. Comparative Study on IPO Efficiency of China's Stock Market before-and-after Equity Separation Reform
    股权分置改革前后我国股市IPO效率的比较研究
  8. Before-and-after test: an analysis of a country or region before and after the completion of a project.
    事前事后试验:指在一个项目完成之前和完成之后,对一个国家或地区所作的分析。
  9. One flank pain, fatigue, two groups NaCha, abdominal distension treatment before-and-after can significantly improve (P0.01), two groups of comparisons are between before and after the treatment could significantly improve (P0.01).
    其中胁痛、乏力、纳差、腹胀两组治疗前后比较都能显著性改善(P0.01),两组之间治疗前后比较也能显著改善(P0.01)。
  10. You'll find lots of examples of great press releases, a variety of writing styles and even before-and-after press release makeovers.
    您可以找到很多的例子,伟大的新闻稿,各种各样的写作风格,甚至前后新闻稿。
  11. Besides, dark I-V curve of PCSS had been tested and compared before-and-after AFM anodic oxidation, which proved that nano-titanium oxidation line had improved dielectric strength of Ultra-fast PCSS. 3.
    并对加工的光导开关进行了氧化加工前后的暗电流-电压特性测试对比研究,从而得出纳米氧化钛线的存在提高了超高速光导开关的绝缘耐压性。

before-and-after [bɪ'fɔ:r'ænd'ɑ:ftər]

中文翻译
1
adj. 尖锐对照的

相关单词辨析

or: 或者,否则,常用于否定句中 I don't like apples or bananas. Hurry up or you'll miss the bus.
and: 并且,Hurry up and you'll catch the bus.

after: 接时间点, after 7:00,
in: 接时间段 in five minutes

这些词均有“在……后面”之意。
after: 和behind用来表地点时,前者强调的是顺序的先后,而后者侧重方向和位置的前后关系。请比较:The student sat after me.那个学生坐在我后面。(我坐在他前面)。The student sat behind me.那学生坐在我背后。after与behind用于指时间时,前者强调时间的先后顺序,而后者则着重于表示“落后……”或“迟于……”的概念。试比较:Who ruled after James I?詹姆斯一世之后是谁统治的?You are forty minutes behind schedule.你比规定的时间迟了40分钟。after多用于表示因时间上的先后而造成顺序的前后场合,behind则常用于仅指位置上的前后关系。请比较:Please shut the door after you.请随手关门。Please shut the door behind you.请关上你身后的门。
at the back of: 这个前置词短语既可指具体的位置的先后,又可用于指抽象的概念。

这组词都有“……以前”的意思,其区别是:
before: 或指从过去某一时间起向前推算的若干时间的以前,通常与过去完成时连用;或泛指以前,并不具体指若干时间以前,可使用现在完成的或过去时;还可指从将来某一时间起的若干时间以前。
ago: 指从现在起往前推算一段时间,始终置于所修饰的词之后,与一般过去时连用。

这组词都有“在……前”的意思,其区别是:
in front of: 指在某地方之外的前面,即不在其中,多与静态动词连用,通常可与before通用。
in the front of: 指在某地方之内的前面,即在其中的前部分。
before: 指空间位置或时间的“在……前”。表时间时,反义词为after;指空间位置时,其反义词是behind。