Reconstructing the climate changes of the past is extremely difficult, because systematic weather observations began only a few centuries ago, in Europe and North America.
重建过去的气候变化是极其困难的，因为在欧洲和北美，几个世纪前才开始系统的天气观测。
Some of the location changes were probably only a few metres, and where they were more we corrected for them.
有些地址可能只是改变了几米而已，而那些地址变动更大的我们当时做了纠正。
To customize the look and feel of your application, you will only need to make a few simple configuration changes for most of these widgets.
为了定制您的应用的外观和体验，您只需要对大多数小部件进行简单的配置。
Clothes which has been worn only a few times has to be put aside because of the changes of fashion.
衣服尽管才穿了没几次，也因款式过时而不得不搁置一边。
Your dentist and dental hygienist see you only a few times a year, but you can examine your mouth weekly to look for changes that might be of concern. These changes could include.
你的牙医以及牙科保健师可能一年只见你几次，但是你可以每周去检查口腔，看看发生了什么需要注意的改变。
A field study of an investment bank by Mr Johnson and his colleagues found that one department of 3,000 employees saw 1,000 organisational changes within only a few months.
MrJohnson和他的团队在一家投行做实地调研，发现某部分雇员人数为3000，在短短数月时间内，人事调动约为1000人/次。
In our experience, HGF typically benefits people in 4-8 different ways listed below, although some may only experience one improvement, and we have reports of 20-30 positive changes in a few.
根据我们的经验，尽管一些人可能只在一个方面获益，有少数人出现20 - 30种积极的变化，HGF通常可以改善人们以下4 - 8个方面。
That is, if only a few bytes of a document or presentation are changed, only the changed blocks or bytes are saved, the changes don't constitute an entirely new file.
也就是说，如果只有一个文档或演示几个字节的改变，只是改变了块或字节保存所做的更改不会构成一个完全新的文件。
It not only affects society, economy and culture, but also brings a series of changes to older people themselves in terms of social roles, physical health and mental well-being, to name a few.
人口的老龄化不但可以给社会、经济、文化带来不同程度的影响，而且也对每个老年人的社会角色、身心健康等带来一系列的变化。
A few plaques could be seen only at the artery crotch of rats in Jiangzhi Granule group and Xuezhikang group, and distributed as diffusing mottling, which indicated light pathological changes.
降脂冲剂组及血脂康组大鼠仅在动脉分叉处见到少量斑块，病变较轻，呈散在斑点状。
A few plaques could be seen only at the artery crotch of rats in Jiangzhi Granule group and Xuezhikang group, and distributed as diffusing mottling, which indicated light pathological changes.
降脂冲剂组及血脂康组大鼠仅在动脉分叉处见到少量斑块，病变较轻，呈散在斑点状。
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