However, it's important to note that the review didn't look at taking calcium combined with vitamin d, which is a popular type of supplement.

但是，我们应该注意到研究并没有考虑同时服用钙片和维生素d，这点很重要，维生素d是一种很流行的补剂。

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By mid-July, there could be four ships taking on oil, with a combined capacity of maybe 80, 000 b/d.

到七月中旬，将有四艘钻油船，每日累计输油量约为8万桶。

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That displacement is measured with a laser beam to create a series of 2-d images of the sample, which are combined to generate a 3-d image.

然后用一束激光来测量这个摆动的位移，并由此生成一系列此样本的二维影像，再由这个生成其三维影像。

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This study on 95 patients, conducted at hospitals across London, combined antibiotics with vitamin D pills.

BBC: Sunshine vitamin 'may help treat tuberculosis'

When combined with adequate daily intakes of calcium, vitamin D helps build and preserve bone, helps prevent osteoporosis and helps decrease fracture risk.

CNN: How much vitamin D should someone over 55 take?

The three D-ILA devices in each HDTV are combined with a new mirror and lens that has allowed JVC to reduce the projection distance needed and slim down the sets considerably.

ENGADGET: JVC's new 1080p projectors, front & rear HD