The MR pulmonary perfusion imaging was achieved by the first-pass contrast agent method.
利用对比剂首次通过法可进行MR肺灌注成像。
The Redwood City girls, by contrast, played in front of their opponents, to prevent them from catching the inbounds pass in the first place.
而红杉队的女孩们却站在攻方球员的身前，直接阻碍对方拿球。
By contrast, those who pass the nanny test are those who keep nannies happy for a long time.
相对而言，那些通过保姆测试的对象，是那些很长时间以来一直让保姆开心的人。
Pass to contrast with related system again, peg out its exterior boundary.
又通过与相关制度对比，分清其外部界限。
For the feature of the liver B-ultrasound image, we adopt the Gaussian low-pass filter and contrast-stretching transformation methods.
针对肝脏B超声图像的特点，本文在对图像进行预处理时采用了高斯低通滤波与灰度拉伸相结合的技术。
We first employed the unsharp masking to adjust the contrast of angiograms, and then removed the consistent component of low frequency in frequency domain by high-pass filtering.
首先采用反锐化滤波器对血管造影图像进行对比度调整，然后通过频域高通滤波去除背景中的一致性成分。
However, multiple cores of TJLB can be obtained, in contrast to PLB where more than one pass gives rise to increased complications.
然而，TJLB可以获得多个核心，这与PLB不止一种途径引起并发症增多相反。
The article is intended to make a statistical contrast of styles of goal keepers to receive a back pass in the 18th World Cup using the methods of observation, statistics and contrast.
运用观察、统计、比较分析等方法，对第18届世界杯足球赛各队守门员处理回传球的情况进行分析，比较亚洲球队与其他球队的差距，并提出建议，旨在为我国足球守门员接回传球水平的提高提供参考。
The article is intended to make a statistical contrast of styles of goal keepers to receive a back pass in the 18th World Cup using the methods of observation, statistics and contrast.
运用观察、统计、比较分析等方法，对第18届世界杯足球赛各队守门员处理回传球的情况进行分析，比较亚洲球队与其他球队的差距，并提出建议，旨在为我国足球守门员接回传球水平的提高提供参考。
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