C-sections are seldom done at that stage of pregnancy.

很少在怀孕的那个阶段实施剖腹产。

《柯林斯英汉双解大词典》

Based on this method, a C-band single stage microstrip line end-coupled filter has been designed and fabricated.

基于这种方法，制作了一个C波段的单级微带端耦合滤波器。

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Liu b, Wang c, Jin J. Effects of light enrichment and shade during reproductive stage on yield and yield components in soybean [J]. Soybean Science, 2008, 27 (5) : 764-772.

刘兵，王程，金剑。生殖生长期光富集及遮阴对大豆产量及其构成特性的影响[J]。大豆科学，2008,27 (5)：764 - 772。

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Tim Cook and his C-Suite team took to the stage yesterday to debut a number of new devices, refreshing almost the entire consumer product line in time for the holiday season.

FORBES: Tim Cook Blinked First - The Nexus 7 Takes Pride Of Place At The iPad Mini Launch

Also, 24 of 26 patients who received telaprevir in early-stage trials were cured of hepatitis C after six additional months of treatment with interferon and ribavirin.

FORBES: Saving Your Liver

More bad news: Mid-stage trials of a new drug for hepatitis C being developed by Wyeth and biotech Viropharma were stopped.

FORBES