Vitamin D made by the action of sunlight on the skin accounts for 90 per cent of the body's supply, but lower levels can also be obtained through food such as fish, eggs and breakfast cereals.
通过阳光刺激皮肤产生的维他命D可以提供人体90%的需要，但是其也可以通过鱼类，鸡蛋和谷类来提供。
Foods such as eggs and oily fish are all rich in vitamin D.
鸡蛋和油性鱼等食物都富含维生素D。
Vitamin D analogues such as paricalcitol were found to be better.
如帕里骨化醇这样的维生素D类似物效果更好。
The technique is compatible with commercial printing techniques, such as screen printing, roll-to-roll printing, and inkjet printing, that are inexpensive and high-throughput but inherently 2-D.
又与价格便宜、出产量高但原始只能打印二维模板的商业印刷技术，像筛网印花，卷对卷印机或喷墨印刷机等可以兼容。
For example, if the MySQL application were to be started (such as system startup), it would be invoked as /etc/rc2.d/S20mysql start.
例如，如果要启动MySQL应用程序（例如系统启动），可以这样调用：/etc/rc2.d/S20mysqlstart。
But if your cough persists longer than eight weeks, you should see your doctor because it could be a sign of something else, such as asthma or acid reflux, says Dr. D.
但是，D博士说：如果咳嗽持续时间长达八个星期以上，你应该是看医生，因为它可能是如哮喘、胃酸回流的一个征兆。
It also shows that some of the modules, such as a and d, are reused in several scenarios combination.
它还显示了一些模块，例如a到d，它们在一些场景合并中会得到重新使用。
One of the hardest challenges for creative people — especially those working in units such as R&D, design, or marketing — is how to win top management's support for their ideas.
对于创造性人群——尤其是工作在类似于研发、设计、营销领域——最困难的挑战之一就是如何才能让顶层管理者支持他们的想法。
In part, this is no surprise for any hurricane targeting such a densely populated area, as residents rush out to snap up supplies of bottled water and D batteries.
从某一方面讲，在任何即将遭受飓风袭击的人口及其稠密的地区，居民们疯狂抢购瓶装水和干电池也毫不奇怪。
In fact, fat-soluble vitamins such as vitamins a, d, e, K, and B12 are best absorbed by the body in the form of saturated fats.
事实上，脂溶性维生素如维生素a,D和E,K，和维生素b12被身体吸收的最佳方式是以饱和脂肪的形式被吸收。
Vitamin D has been touted as a preventive, but the latest study found no such effect.
维他命D被作为预防药物出售，但最新研究证明其并没有此功效。
The utility used to load new ROM images and set special device flags (such as the R&D mode) is available for download.
用来加载新ROM镜像和设置特殊设备标志（例如R&D模式）的工具也可以通过下载获得了。
You can get vitamin D from the foods you eat, such as fortified dairy or soy milk products, fortified orange juice, egg yolks, or your body can make it from the sun.
你可以从你吃的食物比如强化乳类或者豆奶类食品，强化橘子汁，鸡蛋卵黄中获得维他命D。
This interface gives the details of a variable that represents a parameter type (such as the variable "d" within this type name).
这个接口给出了表示一个参数类型的变量(如这个类型名中变量“D ”)的细节。
First, electronics firms are outgunning them in R&D spending on things such as touch screens and other interfaces.
首先，电子产品公司在触摸屏以及其他界面的研发经费上处于上风。
While some of the coming movies were initially produced in 3-D, like 'Dragon' and 'Alice,' others, such as 'Clash,' are being converted from 2-D just before they are released.
虽然一些即将上演的电影开始就是以3-D版本制作，如《驯龙记》（Dragon）和《爱丽丝漫游仙境》，包括《泰坦之战》在内的其它一些电影都是在上演前由2-D转换为3-D版本的。
D does not require reflection nor external tools (such as the ccrewrite utility), contract programming is a "first citizen" language paradigm.
D语言不需要反射或额外的工具（例如ccrewrite），契约式编程在D语言中是天生支持的。
The use of 3-d sans specs has been much more successful in smaller screens such as smartphones and portable gaming devices.
无需佩戴眼镜的裸眼3d技术已经成功应用在了如智能手机和便携式游戏设备的小屏幕上。
When installed, the server files will be unzipped into a folder, such as d: \ cruise.
在安装时，服务器文件将解压缩到某个文件夹，例如d： \ cruise。
Configuration changes take effect as soon as you've reloaded the files, such as pg_ctl -d mycluster reload.
配置修改在您重新加载文件后立即生效，比如重新加载pg_ctl- D mycluster。
On the TM1 server, create a new folder (to store data) such as d: \ tm1data.
在TM 1服务器上，创建一个新文件夹(来存储数据)，例如D： \TM 1data \。
Technologies such as Intel's VT-d should increase the variety areas that virtualization can be applied.
与Intel的VT - d类似的技术应该能扩大虚拟化适用的各种领域。
If necessary, create a subdirectory for the new DTDs, such as d: \ DTDs \ dita.
如果必要，为新的DTD创建子目录，例如d： \DTDs \ dita。
Players actually form social networks, encouraged by game devices such as traveling virtual pets that carry messages from desktop to desktop or virtual 3-d chat worlds.
玩家实际上组成社交网络，他们可以使用游戏设施进行交流，比如通过移动的动画形象在桌面之间传递消息，或者在虚拟的3d世界中聊天。
Microsoft says new features in its Windows Vista operating system, such as 3-d graphics intended to make navigation easier, demonstrate its commitment to greater ease of use.
微软说Windows Vista操作系统所具有的3维图像使导航变得更容易，展示了其易用性。
The Railway Signal Process System which has a lot of advantages such as real time and anti- jamming consists of the core DSP chip TMS320C2812 and the external A/D converter TLC2574.
采用DSP芯片TMS320C2812为核心器件，结合外部A/D转换器TLC2574，组成机车信号处理系统，具有实时性和抗干扰性等优点。
The Railway Signal Process System which has a lot of advantages such as real time and anti- jamming consists of the core DSP chip TMS320C2812 and the external A/D converter TLC2574.
采用DSP芯片TMS320C2812为核心器件，结合外部A/D转换器TLC2574，组成机车信号处理系统，具有实时性和抗干扰性等优点。
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