为了减少心脏搏动伪影对心脏大血管MR图像的影响,一般采用心电门控技术,应用本法的TR 发布时间:2017-06-29 17:22 │ 来源:www.tikuol.com 题型:单项选择题 问题: 为了减少心脏搏动伪影对心脏大血管MR图像的影响,一般采用心电门控技术,应用本法的TR时间决定于()A.R-R间期 B.P-R间期 C.R-P间期 D.2R-R间期 E.2P-R间期
题型:单项选择题 根据句意及首字母提示补全单词。1. China's flag has five yellow s_________ on it. 2. Beijing is in the n_________ of China.3. Wang Fei is a very f_________ singer in China.4. I want to v_________ Buckingham Palace some day.5. I can't fly a kite (放风筝). It's not e_________, I think. 查看答案