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
- Dah Chong Hong& Dragonair Airport GSE Service Limited
大昌&港龙机场地勤设备服务有限公司 - Are you an existing Dah Sing Bank Credit Cardholder?
阁下现时是否大新银行信用卡客户？ - At the temperature of 30 ± 1 ℃, the point-of-no-return ( PNR) of the larvae occurred at 6~ 7 DAH.
在30±1℃条件下，云斑尖塘鳢仔鱼的不可逆点（PNR）出现在仔鱼孵化出膜后的第6～7天。 - Key to its success is the strength of the Dah Sing management team and the group's commitment to serving its customers.
其专业的管理队伍、与对服务顾客的热忱承诺，乃集团成功的关键。 - The activities of the BBM bound enzymes increased from 30% of the total activities at 31 DAH to approximately 81% at 38 DAH, indicating the maturation of intestinal tract and the transition of digestion mode.
刷状缘膜酶的活性占相应酶总活性的比率从31日龄时的30%上升至38日龄时的81%，表明了肠道成熟和消化方式转变的过程。 - The species, numbers and sizes of the alimentary canal contents of cobia larvae of 1~ 20 days after hatching ( DAH) cultured in ponds were studied by anatomization and observation with optical anatomical lens.
采用光镜解剖观察的方法对池塘培育的1~20日龄军曹鱼仔鱼消化道内容物的种类、数量和大小进行研究。 - 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。 - C, the anterior tract of larvae bulged and formed presumptive stomach with a similar structure as oesophagus but no goblet cells since 4 days after hatching ( DAH).
C时，大黄鱼仔鱼4日龄起由消化管前端膨大形成胃的雏形，此时胃的结构与食道相似，但无杯状细胞。 - 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。 - 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；