There are a number of vitamins that are vital for good hair health, the main ones being vitamins C, D and E, and in a balanced diet all these vitamins should be readily available.
有许多对头发健康至关重要的维生素，主要有维生素C、D和E，而在平衡的饮食中所有这些维生素应该很容易获得。
Most of us spend less time in the sun during the winter, and that means we can end up vitamin d-deficient, leaving us vulnerable to any number of infections.
我们大多数人在冬天会花费很少的时间晒太阳，这方法能使我们摆脱维生素d缺乏症，使我们易受一些感染的攻击。
D.s. But having to pay for the longer Ph. D. programs could also reduce the number of students EPSRC can train.
但是必须为更长时间的博士训练项目买单也可能会使EPSRC能够训练的博士生数目下降。
You can visualize a DirectedGraph as a 2-d graph that has a finite number of Nodes, with each Node located at some Point, and the adjacent Nodes joined (or connected) to each other by Edges.
您可以将DirectedGraph形象化为拥有有限数量的Node的一个2 - d图形，在该图形中，每个Node都位于一些Point上，相邻的Node是通过Edges连接在一起的。
where d is the configured delay and n is the number of retries.
其中d是配置的延迟，n 是重试的次数。
For example, the -d option shows the overall number of packets received, transmitted, and dropped in your communication subsystem.
例如，- d选项将显示您的通信子系统所接收的、传输的和丢弃的数据包的总数。
Delete it by entering d, and enter the partition number when prompted.
输入d以删除该分区，然后会出现一个提示，这时输入分区号。
But so will a goodly number of 2-d films.
但是相当多的2 - D影片也是失败之作。
In fact, the Microsoft Titan and philanthropist is one of a surprising number of U.S. business moguls to be left-handed, including Henry Ford, John D. Rockefeller and former IBM head Lou Gerstner.
事实上，这位微软巨头兼慈善家仅仅只是美国商界左撇子巨贾中的一位，如福特、洛克·菲勒和前ibm总裁郭士纳都是左撇子。
There have been any number of emotional and stirring stories coming out of France this weekend as the world commemorates the 65th anniversary of D-Day.
这个周末，全世界都在庆祝诺曼底登陆胜利65周年，无数煽情的故事又从法国传出。
Whether it's our collective lifestyle or the choice of foods, the number of people with vitamin D deficiency has been growing.
不管是我们的集体生活方式还是食物的选择，缺乏维生素D人的数量一直在增长。
D or — delete: This command deletes a rule from the chain, either by specifying the rule to match with -d or by specifying the rule's position number in the chain.
d或——delete：通过用-d指定要匹配的规则或者指定规则在链中的位置编号，该命令从链中删除该规则。
The -d option can also tell you what the date will be relative to the current date — either a number of days or weeks from now, or before now (ago).
d选项还可以告诉您，相对于当前日期若干天的究竟是哪一天，从现在开始的若干天或若干星期以后，或者以前(过去)。
D. Time, cost, and number of changes.
时间，成本，和变更数量。
So rather than let mkfs.xfs choose the number of allocation groups for your filesystem, specify a number by using the -d agcount=x option.
因此，不要让mkfs.xfs为您的文件系统选择分配组的数目，而是通过使用 -d agcount=x 选项指定一个数目。
The firm’s board of directors recently granted restricted stock valued at $12.6 million to Mr. Blankfein and a number of other senior executives including Gary D. Cohn, the firm’s president.
高盛的董事会近期将1260万美元的限制性股票授予了布兰克费恩和包括总裁盖瑞•柯恩在内的一系列其他高级行政人员。
One can control Vincent not only by simply operating the mobile phone's D pad, but also by taking advantage of the game's convenient system, which utilizes the mobile phone's number pad.
你不仅可以通过手机的导航键控制文森特，还可以利用游戏搭载的简便的系统，即使用数字键。
But so will a goodly number of 2-d films. The studios can cope: failure is hardly an uncommon experience in Hollywood.
电影工作室会妥善处理的：失败在好莱坞从来就不是什么新鲜事。
But not with my friend D. Between his two mobile phones, two office phones and one home phone, you can never know which number to try, and he seems never to pick up, anyway.
但是这个方法不合适我的朋友d。他有2部手机，2部办公室电话和一部家里的电话。
The Naval Sea Systems Command, Naval Surface Warfare Center, Dahlgren Division, Dahlgren, Va. is the contracting authority (contract Number N00178-08-D-5394).
美国海军海上系统司令部的海上水面作战中心Dahlgren分部为主要合同授权机构(合同号n 00 178-08 -D - 5394)。
In subsequent calls, customers give their I. D. number to an agent and then go through a brief voice verification process.
在随后的通话中，客户可以将自己的身份识别号码告诉话务员，然后进行一段简短的语音验证。
The model can educe a number of system performance measures at equilibrium, such as vacant truck movements, given customer O-D demand pattern.
在给定需求结构下，该模型可以确定一些系统平衡时的性能参数，诸如货车等待时间等。
D. s. But having to pay for the longer Ph. D. programs could also reduce the number of students EPSRC can train.
但是必须为更长时间的博士训练项目买单也可能会使EPSRC能够训练的博士生数目下降。
D. If you go to the countryside in Australia, you will see a large number of white sheep.
本文主要介绍了澳大利亚的一些大概情况。
Besides. the dry weight of mature seeds Q is also controlled by the duration of development measured in number of days, d, of the corn seeds.
在成熟期，籽粒干重不仅与籽粒发育期间的平均气温有关，还与籽粒发育所经历的天数有关。
The number of R & D alliance has grown rapidly, but the alliance's failure rate is high. , inappropriate choice of partners is one of the most important reasons.
研发联盟的数量增长很快，但是联盟的失败率却很高，不适当的合作伙伴选择是其中最为重要的原因之一。
The number of R & D alliance has grown rapidly, but the alliance's failure rate is high. , inappropriate choice of partners is one of the most important reasons.
研发联盟的数量增长很快，但是联盟的失败率却很高，不适当的合作伙伴选择是其中最为重要的原因之一。
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