Used properly, sunscreens with an SPF of 8 or higher completely block UVB radiation and prevent synthesis of vitamin d.

使用得当的防晒系数为8或更高的防晒霜在完全阻挡紫外线辐射的同时也阻止了维生素d的合成。

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To communicate how the service will satisfy user's needs the brown info-block at the right hand at the bottom of the page is used (Desire, d).

为了从交流中获得满足顾客需求的信息，他们运用了网站底端右手方向的棕色信息块(期望，d)。

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This paper analyse the dynamic characteristics of cylinder block of type ZS1105 D. I. diesel engine applying test mode analysis technique.

应用试验模态分析技术对ZS1105直喷式柴油机机体的动态特性进行了分析、研究。

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If you're caught you will get sent to D-Block solitary, a tiny cube where days are marked by a light shaft travelling across the wall - or you might be interrogated using techniques only alluded to in the otherwise thorough Alcatraz audio tour, with first-hand accounts by prison guards and prisoners of the Rock.

BBC: A tour of San Francisco��s Alcatraz

On September 11, 2001, I was sitting in Cell Block D-1 in Edgefield Federal Prison Camp in Edgefield, SC.

FORBES: Edgefield Federal Prison, Sept 11, 2001

Lawmakers in California, the District of Columbia, as well as a handful on Capitol Hill said they intend to fight block 3-D gun printing technology.

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