Scientists have long known that vitamin D is a vital nutrient that the skin produces when hit by sunlight. The amount varies, depending on where the person lives, skin pigment, age and other factors.
科学界的共识是,人的皮肤可以通过日晒产生维生素D.而产生的数量并不固定,这取决于人所在地,皮肤的状况,年龄以及其他的因素.
The cost of the alcohol duty varies according to the amount of wine in the bottle.
这项酒税的额度根据瓶中酒量的不同而变化。
The relative amount of these two kinds of water varies greatly from one kind of rock or sediment to another, even though their porosities may be the same.
这两种水的相对含量在不同的岩石或沉积物之间差异很大，尽管它们的孔隙率可能是相同的。
The daytime quality of light in forests varies with the density of the vegetation, the angle of the Sun, and the amount of cloud in the sky.
森林里的日光质量随着植被密度、太阳照射角度和天空云层数量变化而变化。
It should be noted that how dialogue is used and the very amount of dialogue used varies widely among films.
值得注意的是，在不同的电影中，对白的使用方式和对白的使用量差别很大。
Research by Smith and his coauthors has shown that the amount of food reaching the deep sea varies dramatically over time.
史密斯和他的合作者的研究表明：到达深海的食物的数量随着时间发生巨大的变化。
The amount of space taken up by the design elements of a database varies with the complexity of the application, but the amount of space can be significant.
数据库设计元素所占用的空间的大小取决于应用程序的复杂性，但是占用的空间量会很大。
While the amount of work using optimized local adapters varies, you have the ability to control how much tracing is captured.
在使用优化的本地适配器的工作量变化时，您可以控制跟踪量。
The amount of water intake can lead to poisoning can not be known with certainty and varies in each individual.
纳入的水分含量可导致中毒，这不是每个人都确信不疑，也是因人而异的。
The amount and complexity of the commands varies from part to part.
不同硬件部分的命令集数量和复杂度差别很大。
The energy of light varies across the spectrum (blue light is more energetic than red) but only a certain amount of energy is needed to knock an electron free.
光谱中光的能量是不同的(蓝光比红光更具能量)，但是只需一种确定的能量来碰触电子使其脱离。
Synchronization performance varies with the JVM, processor, workload, JIT activity, number of processors, and the amount and character of code being executed using synchronization.
同步性能会随着JVM、处理器、工作负载、JIT活动、处理器数量以及正同步执行的代码的数量和特征而变化。
The amount of new-car business that leasing accounts for varies from dealer to dealer. But for some dealers, more than half of turnover comes from leasing.
各经销商在新车市场上通过租赁协议的成交额各不相同，但是部分经销商超过半数的营业收入都是通过租赁。
Because the scripts are randomized, the amount of load on the server varies at different times.
因为脚本是随机的，所以服务器的负荷量随着时间的变化而波动。
Although most people think they need to sleep for eight hours a night, the amount actually varies from person to person; some are fine with five, others would do better with ten.
尽管大部分人觉得他们一晚上应该睡八个小时，实际上该睡多久却因人而异；有些人睡五个小时就成，而另一些人就得睡十个小时才够。
While the exact amount you should drink each day varies, no one disputes the role good hydration plays in keeping skin looking healthy and even young.
尽管人们每天所需的水分有所不同，但没人能否定水合物在保持皮肤健康和年轻方面的作用。
The amount of disk space varies, However, the following are some suggested guidelines.
然而，磁盘空间会发生变化，建议您应用下面的原则。
The amount of sugar in our blood stream varies with the time of day, as does our temperature.
我们血液中的血糖水平以及体温随一天的时间不同而不同。
Carbohydrates, fats and proteins are the types of nutrients that contain calories and are the main energy sources for your body. The amount of energy in each varies.
碳水化合物、脂肪和蛋白质等营养成分都含有卡路里，并且是人体所需卡路里的主要来源，各种成本中含有的卡路里数不尽相同。
The actually priority of a user process varies over time, depending on the amount of overall CPU time that the process has used most recent.
用户进程的实际优先级会随着时间发生变化，这取决于该进程最近所使用的CPU 时间。
A typical chocolate bar weighs around 100 grams, but the amount of healthy cocoa solids it contains varies greatly.
通常一块巧克力棒大约100克，但其中健康的固体可可含量则千差万别。
The amount of BPA in grocery store foods varies from product to product, but overall levels are very small.
杂货店里各种不同食品中的BPA含量都是不同的，但总体水平非常小。
The amount per kilowatt varies by state, so be sure to talk to your local utility about the details.
每一千瓦的电在不同地区的数目是不一样的，所以，必须保证事先和你当地的部门谈好具体细节。
The amount of white space varies, but in some markets there's the equivalent of six TV channels.
whitespace数量不等，但在一些广播电视市场上它足足相当于6个电视频道。
The amount of tannin in a red wine like cabernet sauvignon varies, depending on the winemaking methods used.
红酒中的单宁如赤霞珠的含量各不相同，取决于红酒的酿制工艺。
The amount of radiation intercepted by a planetary body varies inversely with the square of the distance between the star and the planet.
的辐射量截获行星机构不同的平方成反比的恒星之间的距离和行星。
Windiness varies , and an average value for a given location does not alone indicate the amount of energy a wind turbine could produce there .
有风变化，并且平均值为一个被测量的地点单独不表明风涡轮可能导致那里的相当数量能量。
The premium varies with the amount of insurance.
保险费用要根据投保范围的大小而有所不同。
Onset and severity of symptoms varies, depending on the amount of cortical involvement.
发作的频率和症状的严重性是可变的，依据于皮质受累的数量。
Onset and severity of symptoms varies, depending on the amount of cortical involvement.
发作的频率和症状的严重性是可变的，依据于皮质受累的数量。
应用推荐