dah
英 [ˈdɑː]
美 [ˈdɑː]
网络 叫嗒; 弥漫性肺泡出血; 磺化油; 出血; 弥漫性出血性肺泡炎
复数：dahs
COCA.35062
英英释义
noun
- the longer of the two telegraphic signals used in Morse code
双语例句
- Diffuse alveolar hemorrhage ( DAH) is a clinical syndrome, characterized by iron deficiency anemia and transient alveolar infiltration or consolidation on chest radiograph.
弥漫性肺泡出血是以咯血、缺铁性贫血和胸片以暂时性弥漫肺泡浸润或实变为特征的临床综合征。 - Any important decrease in overall DAH following the current economic recession would have little historical precedent and claims of inevitability would be unjustifiable.
当前经济衰退之后引发总体健康发展援助的重大减少都没有什么历史先例，任何必然性的断言都是不合理的。 - Dormancy at harvest ( DAH) of 33 maintained lines and 40 restorer lines successfully chosen or often used in practice were identified and screened;
首先对已经育成的和常用的32个保持系和40个恢复系进行收获时休眠性鉴定筛选； - Dah Sing Bank's long term rating had been affirmed as "A-" and "A3" by Fitch and Moody's respectively in2009.
惠誉国际及穆迪于2009年分别肯定大新银行之长期信贷评级为「A-」及「A3」级。 - But the diallel cross results showed that DAH trait was controlled by two major loci groups ( MLGs) and minor loci groups. The genetic variation was mainly explained by major loci groups,. 6.
然而不同休眠性材料的双列杂交分析表明，收获时休眠性受2个主位点组和微位点组共同控制，主位点组解释了主要遗传变异。 - Larval shrimp and crab could also be fed from 13 DAH. There was significant difference in food selective indexes between the two stages.
从13日龄开始摄食虾、蟹类幼体等大型浮游动物，两个阶段的食物选择性指数存在显著差异。 - Pepsin was firstly detected at 17 DAH and increased to 34 DAH, and then remained at a stable level, indicating the transition of digestive mechanism.
胃蛋白酶在17日龄时出现，在34日龄时快速升高至稳定的活性水平，表明了消化机制的转变。 - At 60 DAH, the digestive system completed development. 3. The sequence of immune organ anlages appearance were head kidney, spleen and thymus.
在60日龄时，消化系统基本发育完成。3.大菱鲆免疫器官原基出现的先后顺序是头肾、脾脏和胸腺。 - To test the hypothesis that economic recessions lead to reduced global development assistance for health ( DAH).
旨在验证经济衰退导致全球健康发展援助（DAH）减少这一假设。 - No statistically significant association was found in the short or long run between measures of economic recession and the amount of official DAH committed or disbursed.
短期或长期内均未发现经济衰退测量值与官方承诺或支付的健康发展援助金额之间的任何显著关联。