Once the ovum is released it has a lifespan of 12 to 36 hours.卵子排出后可存活12至36小时。an immature ovum未成熟的卵细胞One way is taking the cell from a fertilized ovum.一种方法是从受精卵中取出细胞.By day 11 the ovum begins to attach and implant in the...
讨论了一种用于电子显微镜系统的发叉形Y2O3阴极的制备工艺及主要性能测试结果.This paper introduces a hairpin Y 2 O 3 cathode used for electronic microscope systems.我想是阴极的材料和生产流程制造了大部分的区别.Isuspect the cathode material and processing makes the biggestdifferenc...
Objective To investigate the importance of cerebrospinal fluid ( CSF ) examinations in diagnosing meningeal carcinomatosis.目的探讨脑脊液检查对诊断脑膜 癌 病的重要意义.Are meningeal tumour and colloid tumour same?脑膜瘤和胶质瘤是一样的 吗 ?What does men...
The Public Utilities Commission inspects us once a year.公共事业委员会每年到我们这里视察一次。When he inspects he brings a needle, probes the cracks on the stairs for dust.检查时他总要随身带上一根针, 剔剔扶梯缝里的灰尘.The Public Utilities Commission inspects u...
Soho was still a highly dubious area...索霍区仍然是个靠不住的地方。...sleazy cinemas in London's Soho...伦敦Soho区破落的电影院Soho was still a highly dubious area.索霍区仍然是个靠不住的地方。Here, in the heart of Soho, they tried to " out -- Bohemia Bo...