JEFFREY ROWLAND: "Almost all children in the world get rotavirus."
罗兰德：“全球几乎所有儿童都会感染轮状病毒。”
This is the website maintained by Rowland Institute at Harvard University.
这是哈佛大学罗兰研究所创建的网站。
Most of the staff walked out —except Miguel and the center's cook, Maurice Rowland.
大多数的员工离开了中心——除了米格尔和莫里斯罗兰（这个中心的厨师）。
Rowland: But aren't there things that you miss that you could do before you had a child?
但是难道就没有你怀念的一些事，就是在有孩子之前才能做的一些事？
Entrance slit and the grating are fixed and the exit slit scans across the Rowland circle.
入射狭缝及光栅固定起来，出射狭缝扫描过罗兰圆。
Rowland hill, a schoolmaster in England, is the first to put forward a proposal to use stamp to cover postage.
罗兰·希尔，英国的一位小学校长，第一个提出用邮票来支付邮费。
A method which is based on Rowland mount and use ZEMAX software to design flat field holographic concave grating is given in this article.
介绍一种从罗兰圆结构出发，利用ZEMAX光学软件设计平场全息凹面光栅的方法。
I have lately detected him in frequent conference with old Rowland(Rowley)who was formerly my father's steward and has never been a friend of mine.
我发现他最近频繁地跟我父亲的老部下老罗利会面。 这人可不是我的朋友。
Rowland: Vaccination, which we tend to take for granted in countries like the United States or in Western Europe, in fact a lot of us don't even know which diseases we've been vaccinated against.
罗兰：疫苗接种在美国和西欧等国家里再普通不过了；事实上，很多人并不知道我们所接种的疫苗用于抵抗何种疾病。
All components of the monochromator were laid on the Rowland circle. The position of the exit slit was changed to obtain the corresponding monochromatic light in the exit slit of the monochromator.
单色仪的所有组件都放置在罗兰圆的圆周上，改变出射狭缝在罗兰圆上的位置，在单色仪的出射狭缝处就可以得到相应波长的单色光。
All components of the monochromator were laid on the Rowland circle. The position of the exit slit was changed to obtain the corresponding monochromatic light in the exit slit of the monochromator.
单色仪的所有组件都放置在罗兰圆的圆周上，改变出射狭缝在罗兰圆上的位置，在单色仪的出射狭缝处就可以得到相应波长的单色光。
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